Resonance

20 Thursday Dec 2018

Posted by petersironwood in America, management, psychology, Uncategorized

Tags

creativity, Design, Feedback, golf, harmonics, learning, politics, programming, resonance, sports, testing, thinking, timing

Resonance

If you have ever pushed your kids on a swing, you know that timing is important. If you add the power of your next push just as the child reaches the apex and begins to fall back, you will swing your child higher and higher with little effort. On the other hand, if you add the power of your next swing at the bottom of the arc just as the swing is moving toward you at maximum speed, you will nearly stop the swing and likely injure yourself and/or your kid. Please don’t try it.

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In sports as well, the timing of when you add your effort is critical. In golf, for instance, many beginners think a lot about their hands, probably because we use our hands for many daily tasks such as texting, flipping burgers, playing video games, etc. While the hands are certainly important in the golf swing, they are the last thing to bring to bear on the golf swing, not the first. If you add your hands and wrists at the last moments right before you hit the ball, you will be accelerating the club face as you hit the golf ball. You will have greater velocity and also more stability and hence more accuracy for the shot.

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The golf swing is a complex athletic move that I cannot describe in detail. Here’s what is important in this context. Some parts of the golf swing (notice the word: swing) are much like a pendulum. The longer parts of the body (e.g., the arms) take longer to swing on their own. The shorter parts of the body take a shorter time to swing on their own (e.g., the hands). In addition, the shortest pendulum (the hands) is at the end of the longer arm swing. This means that for the arm swing and the hand/wrist moves to multiply effectively, you must engage the hands and wrists toward the bottom of the arm swing when the arms are already moving at top speed.

What is True in Mechanics and Sports is also True in Social Engineering.

If you work in a highly competitive, even cut-throat sales environment, in which there is a long tradition of stealing commissions, grabbing each other’s customers, etc., having the sales manager say something like, “You know what? Let’s cooperate! Put the customer’s interests first, not your own commission” is pretty much useless. A manager’s exhortation to cooperate is a short term high frequency “push” but it will be just as ineffective as trying to start your golf swing with your hands, or trying to push a swing with all your might when your kid is swinging toward you at top speed. If the cultural milieu is cut-throat, the manager’s statement will not be sufficient to change that culture. What the sales people will do is make sure that they have a semi-plausible story ready about how stealing someone else’s commission was really best for the customer.

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On the other hand, imagine instead that sales people have shared commissions for years and that the company takes many steps to build social capital and cooperation among everyone on the sales force. Now, the manager may do something publicly to praise an actual instance of cooperation. It doesn’t have to be heavy-handed or over the top. It is a gentle push that adds energy to what people are already doing. This is akin to adding the hands to a good golf swing or adding your swing push just as your kid begins to descend.

Don’t get me wrong. If your house is on fire, you should leave. Grab your kids and pets but don’t bother with last weeks losing lottery tickets.

But — you also need to understand why your house caught fire – perhaps faulty wiring – and why the fire was not immediately doused – e.g., your fire extinguishers are out of date. If you don’t fix underlying problems, your next house is likely to catch fire as well.

If your culture is so materialistic and superficial that a blow-hard sleaze bag who seems to have great material wealth is celebrated no matter how he or she came by that wealth and fame, you may have to deal with the short term problem first, but unless you also deal with the underlying cultural, social, and economic problems, you’ll likely find yourself in precisely the same situation again. The same or other foreign enemies will attempt to exploit those same weaknesses again by finding a different celebrity with deep underlying character defects. Those enemies will push particularly hard during a crisis or an election and they will push particularly hard in the errant directions that society is already trending toward.

The String’s the Thing Wherein We’ll Capture the Conscience of a King

Next time you have access to a piano, try the following experiment. Gently push down the C, E, and G keys above middle C. Keep them pressed down with your right hand and then strike middle C sharply with your left hand and let it go. What you will hear is that the strings of C major (C, E, G) will vibrate for quite a time after you release the middle C key. If instead, you gently push and hold down the D, F, and A keys above middle C, you will hear very little sound coming from them. Why? Because the harmonic resonance of middle C is greater with the C, E, and G than it is the D, F and A keys. Similarly, some people will tend to “resonate” with certain messages more than others will.

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This is why, for example, Russian fake news that was meant to suppress the black vote carried false stories to indicate Democratic candidates didn’t care about the “Black Lives Matter” movement, while false stories about how Democratic candidates don’t care about gay rights were targeted toward the LGBTQ community. Of course, even putting Russian election interference aside, candidates typically target their messages to those that will “resonate” with particular voters. For instance, a candidate who believes in an isolationist foreign policy, forgiving student loans, low estate taxes, and better benefits for veterans might focus a speech to a group of veterans on their desire to see better benefits for veterans. The same politician, when speaking to college students, will tend to focus on forgiving student loans. That has been “business as usual” for my entire adult life. What was really new to me in 2108 was this: an entire raft of Republican candidates promoted the idea that they were concerned about making sure that insurance companies covered pre-existing conditions. In fact, they had always voted against it and were suing to make this provision of Obamacare illegal.

Prior to the existence of lying news networks and fake web sites who would echo such lies, politicians of either party would be reluctant to employ blatant lying about their positions because, even putting ethics aside, they would be easily discovered. However, if some of their constituents only believe fake news networks, then such politicians feel that they can lie with impunity The news presented on such networks resonates with what the lying politicians say and resonates with what those viewers want to hear and believe about the people toward whom they are already favorably disposed.

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Resonance and the Overly Long Time Lag.

While managing a research project on the psychology of aging at Harvard Med School, I lived in a suburb called Woburn. This rented house had a hot water heating system, and at some point, during a particularly bitter cold New England winter, the furnace stopped working. I could have called in a professional, but instead, I tried to fix it myself. As a part of this system, there was a small gauge that looked a lot like the gauges in a level, but this one was upright and generally half filled with water. I noticed that now, instead of being half filled with water, it was only about 1/10 filled with water. I didn’t exactly understand why this could be problematic but the instructions said it should be half filled with water and there was a valve to let more water in. So, slowly and cautiously, I opened the valve. Nothing happened. I opened it a bit more. Nothing happened. I opened it a bit more. Nothing. I was about to give up and call a repair person. All at once, the little vial began to fill. Yay, me! I turned the valve off because the instructions also said the gauge should not be overfilled. But it kept filling. And filling. Damn! I made sure the valve was closed tightly. It kept filling anyway! Double damn! The gauge exploded! I had been the victim of — well hubris, of course, because I thought I could figure it out — but also a victim of delayed feedback. When feedback is delayed, all sorts of havoc can ensue.

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You may have experienced a similar time lag issue with hotel showers. You turn up the hot water and the shower water stays cold. You turn it up more. It stays cold. You turn it up more and it still stays cold. And then…all at once you’re being boiled to death in your own shower and you begin wondering who will find the naked body.

Back in the early days of using LOTUS NOTES, there was a button on my screen that said, “REPLICATE.” And if I clicked on that button, a replication process would start. (Basically, it was downloading my email from the server to my ThinkPad). But sometimes, the mouse click did not register. This might not be a giant issue. In other cases, I would simply click again and this worked for most applications. But in this case, NOTES put up another button, in the same exact spot as the REPLICATE button, that said, “STOP REPLICATION.” The State of the Replication Process, however, was not accurately reflected by the State of the Button on the screen! This was endlessly annoying and could easily have been avoided. There was plenty of screen real estate to put a “REPLICATE” button along side the “STOP REPLICATION” button. Once connection speeds were faster and the computational facilities themselves were faster, this UX issue ceased to be an issue because there was no noticeable time lag between the state of the process and the state of the button.

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However, I still run into similar issues with Cable TV remotes. Do you? The time lags associated with clicking something on the remote and something happening on the screen is so long, that you begin to wonder whether the battery has gone dead or whether it is aimed wrong or whether the button was not fully depressed. Indeed, I sometimes wonder whether the entire system is truly electronic. I have begun to believe that the button press actually sends an ultrasonic dog whistle to a pack of hungry weasels who hear the whistle. To them, it’s a signal that they are about to be fed. They begin scampering in unseen cages toward their food dishes. The scampering of their feet is picked up by sensors under the floors of the cages. These sensors cause dials to change in a control room staffed by retired school janitors who push a series of buttons that change the channel or the input designation or turn on captioning, but only after they finish the New York Times crossword puzzle they are working on. Then, and only then, does the desired action take place. But if and only if you’ve been patient enough not to hit the button a second time.

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Of course, if you are the user in this scenario, there is a fix. Push the button once and only once. Now, go outside and run around the neighborhood for fifteen minutes before interacting a second time with the remote. Sure, it takes a long time to get to your program but you’ll be in much better shape after just a few months of this regimen.

On the other hand, if you are the designer of such systems, you might consider that it would be less expensive in the long run to replace the ultrasonic dog whistles, the weasels and the retired janitors with an actual system of electronics which, after all, is supposed to run at nearly the speed of light.

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The Takeaway

In comedy, timing, as in life, and UX design, and pushing your kid on the swing, and your golf swing, and social interventions, and election interference, and human short term memory limitations, is everything.

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Metaphors We Live By and Die By

12 Wednesday Dec 2018

Posted by petersironwood in America, family, management, psychology, Uncategorized

≈ 5 Comments

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Democracy, elections, Feedback, government, life, metaphor, politics, programming, thinking

Metaphors We Live By and Die By

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I love metaphors.I always have. I admit it. I think every youngster does, at least until they are exposed to poetry in English class. I was lucky to have an awesome English teacher who deepened rather than destroyed my natural love of metaphors. There are plenty in my own poems. but in this post, I am not focusing on metaphors for poetry so much as metaphors that we use in our thinking. Metaphors impact the way we approach situations at work and at home. I was influenced to see this by two main sources. First, Lakoff & Johnson’s book, Metaphors we Live By was first published in 1980. This book greatly influenced, among other things, our IBM Research team’s study of human-computer interaction. At this point in the history of human-computer interaction and user experience, researchers and practitioners began to explore how various metaphors (e.g.,desktop, trash can, windows, drag and drop) could be used to help users understand the capabilities of computers and how to invoke them. (See, e.g., Carroll, J. and Thomas, J.C. (1982). Metaphor and the cognitive representation of computer systems. IEEE Transactions on Man, Systems, and Cybernetics., SMC-12 (2), pp. 107-116).

Consider the error messages “Illegal Syntax” and “User Error.” They both put the responsibility for an undesirable state of affairs squarely on the shoulders of the user. “Hey you! User! You did something dastardly! You used illegal syntax.”

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Generally, the term “illegal” implies that you did something that was against the law. It usually implies you did something unethical too. Gerry Weinberg, one of the pioneers of UX/HCI (a keynote speaker at the Gaithersburg Conference), pointed out that the “legal” syntax of languages often has arbitrary restrictions. It might be more accurate to have an error message that says, “Our programmers were unable to take the time to allow dates to be entered in European or Chinese format. Please enter dates as MM/DD/YYYY as in 08/04/1961 for August 4th, 1961.” This longer message tells the user what was “wrong” with their input and how to correct it as well as conveying the very real truth that the limitation is with the software, not with the user. Similarly, what is called “User Error” actually comes up as a message when the user does something that seemed reasonable to the user and would most likely be interpretable by another human being but was not anticipated or could not be dealt with by the programming team. Suppose it said instead, “Software error. We did not anticipate this kind of input so we can’t deal with it.” Or, in many cases, a more honest message might be: “Software error. We knew people would want to do this, but we didn’t have budget to program properly.”

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At the same time I was thinking about metaphors and Human Factors in Computing Systems, I was also conducting therapy as a Fellow at the Institute for Rational Living. I was learning and supervising cognitive behavioral therapy under the direction of Albert Ellis. Here I observed how people used metaphors to help make sense of their lives and make decisions about their lives. For example, as pointed out by Lakoff & Johnson, people often viewed romantic love as a sickness! It is also common to view romantic love as a journey over which you have little or no control. It is understandable why it sometimes feels that way, but such a metaphor is not empowering. It does little to lead you to make reasonable decisions about love or about those whom you love. Think instead of love as a collaborative work of art.

man standing beside his wife teaching their child how to ride bicycle

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The “Love is a collaborative work of art” metaphor encourages you to realize that you must collaborate with your partner to make a relationship work over time. You can’t really collaborate very well unless you communicate. It also encourages you to realize that work is involved. It encourages you to realize that it is a creative endeavor. While you can certainly learn from the successes and mistakes of others, in the end, your relationship is unique. It will take creativity to make your relationship work. It puts the responsibility for the relationship on you and your partner, not on forces beyond your control.

It isn’t only love about which people often use inappropriate metaphors. For example, when it comes to overcoming addiction, overeating, under-exercising, people often use sin as their over-arching metaphor. “I was bad last night. I had two pieces of pumpkin pie.” “I was horrible all week. I had those evil donuts every morning.” The metaphor that “eating is evil” is inaccurate. After all, you have to eat to live. Furthermore, that metaphor doesn’t lead to any solutions except to try harder to be “good.” Worse than that, if often subverts a person’s efforts. “I didn’t want to have any ice cream but I did. Oh, well, the night is blown. I may as well eat the whole quart.” (Now that I’ve sinned, I may as well enjoy it). Weight is best thought of in purely physical terms. If you ingest more calories than you burn you will gain weight. If you burn more calories than you consume, you will lose weight. That’s it! That’s all there is. Making it about good and evil does not help and, in my experience, is completely counter-productive.

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Speaking of counter-productive metaphors, I have been annoyed and concerned for decades that the media have largely (though not wholly) reported on political matters as they report on sporting events. During election season, you will hear relatively little about the candidates, their positions, their backgrounds or their ethics. You will hear a lot about strategy and where they stand in the polls. Often you will literally hear nothing more than a sound bite per day about major candidates. Then, pundits will unendingly discuss and debate how this or that sound bite will work or not work with various voter groups. No matter how outrageous, unethical, or disgusting a candidate’s behavior is, the media will spend most of their coverage on how it will affect the “score.”

Metaphors have consequences.

We now find ourselves in an extremely weird position, at least in America. One candidate has “won” the “World Series” of elections (American Presidency). Many of the people who voted for him think of themselves as his “fans” and “supporters.” They believe their guy “won” so they want to continue to support “their team.” After all, imagine that you are a Yankees fan and the Yankees won the World Series. You get to have bragging rights until the next World Series. If one of the Yankees turns out to be a tax evader, you’re still going to be a Yankees fan. If one of the Yankee pitchers turns out to have cheated during the games, say, by putting illegal substances on the baseball, you’ll still be a Yankees fan. Another Yankee might be a wife beater. But, hey, they won the World Series! So you’re still a loyal Yankees fan.

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Here’s the thing. It doesn’t make a whole lot of real difference in your life who won the World Series. It doesn’t matter materially to your kids. It doesn’t matter materially to your grandkids. Don’t get me wrong. It will make some difference in how you feel. You and your whole family might be happy they won. But it won’t make the air you breathe cleaner or dirtier. It won’t make the water you and your family drink pure or contaminated with carcinogenic toxins. It won’t make or break the economy. Having the Yankees or Boston Red Sox win the World Series will have zero impact on global climate change. Even if Chicago wins the World Series, it won’t start an atomic war. If the Phillies win, it won’t mean you will lose your health care. Stay loyal to those Yankees! Or to the Green Bay Packers. Or to Manchester United. Or to the India National Cricket Team. Or whoever your favorite team is. Why not?

Politics though, regardless of how it is reported by the news media, is vastly and vitally different from a sporting event! Who is in office can have a huge influence on what happens in the lives of people. In the case of an American President, who is in office can have a huge influence on the lives of people around the globe, not only today and tomorrow, but also for decades to come.

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Collectively, those Americans who voted (about 137.5 million) in the last Presidential election hired someone for a job. (Actually, nearly 63 million voted to hire him while nearly 66 million voted to hire Hilary Clinton). POTUS is an important job and how that person does that job impacts your life in a very real way. It impacts the lives of your friends and your family. It impacts the lives of people around the world. Every action that person takes, every speech they give, every statement they tweet has an impact. You or I might send out a nasty tweet about people. But our nasty tweets are very unlikely to cause someone to construct and send pipe bombs to the people we tweeted about. We have hired someone to do a very important job. It isn’t a sporting event.

Imagine instead of rooting for your favorite sports team that you hired a guy to take care of your kids. To you, that is certainly an important job. After you hire him, you discover that the person you hired lied to get the job. He lies to you every single day. He steals from you! Not only that. Every day, he trashes your house a little more. He has parties at your house and the people he invites include known criminals. Worst of all, this guy you hired is a child molester! That’s obviously a nightmare scenario. What makes it worse is that many people knew that the person you hired was a crook and a child molester.

What do you do when there is a mountain of evidence that he is lying to you; stealing from you; trashing your house; consorting with known criminals; and is a child molester?

Do you keep him on to watch your kids anyway out of a sense of loyalty?

Do you feel so guilty about hiring him that you insist to all your friends and relatives that this guy is doing a great job? (Because, after all, that’s what he keeps saying).

Do you keep him on until he is convicted in a court of law?

Of course you don’t! You fire him immediately.

You have the power to choose the metaphors you use. You don’t have to stick with a metaphor just because it was the first one to occur to you.

Metaphors have consequences. Whether in your personal life, work life, or political life, choose your metaphors with care. Don’t latch on to one simply because it’s the one the mainstream media discovered rakes in the most ad revenue.

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Representation

11 Tuesday Dec 2018

Posted by petersironwood in America, management, psychology

≈ 3 Comments

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Business, Design, Dictatorship, Feedback, measurement, politics, programming, Representation, science, symbol, testing, truth

Representation

“Choose your words carefully.” We have all heard that advice. It’s good advice and choosing a good representation is key to solving problems, but the general point extends beyond choosing words. Take a few moments now to divide DCXXXV by IX without translating to Arabic numerals. Go ahead. I’ll wait.

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Choosing the “best” representation for a problem depends on the nature of the problem but it also depends on your own skills and experience with a representation. If you have memorized the multiplication tables up to 99 x 99 (rather than only up to 9 x 9), you can use different techniques for multiplication than if you haven’t. If you already know how to program in FORTRAN and LISP, some algorithms will be easier to program in FORTRAN and some will be easier in LISP. But if the only language you know is R, then under most circumstances, it will be far faster and less error prone to use R than to learn another language and then use that one.

Every representation of a real-world situation will necessarily make some features of the situation obvious and other features will be hidden or less obvious. An elevator, for instance, might say, “Capacity: 12 people.” If all of the people are wildly obese, then 12 may not fit into the elevator. The capacity sign is assuming that the people will be somewhat average. If there are 12 adults in the elevator, and one of them is holding a newborn, it won’t make much difference. If there are only 10 people in the elevator and each one has a large suitcase full of gold bullion, there may be room for all 10 to stand, but the total weight of the cargo may exceed the capacity of the elevators, snap the cable, and plummet you to your death. Remember that the next time you get on an elevator filled with folks who have suitcases of gold bullion.

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Every representation has its limitations. If you’re familiar with a field, you will hopefully learn to recognize what those limitations are. In a famous book, The Mythical Man-Month, (still worth reading, though it should be called “Person-Month”), Fred Brooks shows that such a metric as “man-month” or “person-month” has serious limitations in planning and executing software projects. Some have paraphrased his message this way: “You can’t use nine women to make one baby in one month.” According to Brooks, who had plenty of experience as a high level manager of large software projects, when management finds that a software project is behind schedule (which is quite often), there are two major reactions of management: 1) require more measurements, reports, and presentations to management and 2) hire more people.

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The issue with reaction 1 is partly that it takes time away from the managers and workers in order to make those measurements, prepare those reports and presentations, and to attend the meetings. Beyond that, it puts the focus of attention on those measurements (representations) which will only be at best, modestly correlated with what the real problems are. If, for instance, requirements keep changing, or there are incompatibilities in the requirements, measuring lines of code produced is not only useless in itself; it keeps people from tackling the hard problem. A solution to a hard problem might be telling the client that there can be no more changes in requirements. A solution to a hard problem might be resolving the incompatibility in requirements. One can count lines of code pretty easily. One can count other things like “function points” with a little more work but it doesn’t require getting into the “hard” and people-oriented problems that really need to be solved.

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Reaction 2 – adding more people – will put more “resources” on the project. You can easily count the people. You can easily count the hours they work. The problem is that a person-hour is, like the elevator capacity, an over-simplified metric. In fact, it is a much worse representation of the resources on the project than the elevator metric. First of all, studies show that even among programmers with equal training, there are often ten-fold differences in productivity. The second, and even bigger issue is that even really productive programmers who are added late to a project will have to learn about the project: the people, the requirements, and the code base. If these new people are stolen from an existing project, that will also put that project in jeopardy as well. If they are instead new hires, then in addition to all the technical knowledge that they need to come up to speed on, they will also have to learn all sorts of administrivia that will take time and brain space away from the project: how to commute to work, where the cafeteria is, how to fill out time cards. Most likely, they’ll have to attend ethics training, and diversity training, and safety training. Even worse, a lot of the knowledge that they will need to become a productive member of the team mainly exists in the heads of the very people who are doing the programming now! This means that the busiest, most productive people on the project will have to take time away from programming to spend it instead on answering questions that the new people will have.

Even this understated the real impact however. Let’s look at that phrase I just used, “…will have to take time away from programming to spend it instead…” What hidden assumption about representation is buried in this phrase? It gets the reader to think along the lines that time is additive. If I am deeply involved in programming and I get an IM or phone call from a newbie asking me a question about the project, it might take an hour to answer. Does that mean I have subtracted an hour from my own productive programming? No. It’s probably much worse than that. Why? Because I am not a machine, but a human being. It will cost me much more than the hour to get back to the same state of flow that I was in when I was interrupted.

I was involved for a time in looking at programmer productivity for high performance computing using various tools and the X programming language. One of the people I interviewed put it this way: “My manager calls for an hour meeting for 10 am when I am in the middle of a complex [parallel programming] problem. He thinks he’s taken an hour of my time. For him it’s an hour long meeting. But for me, he’s really destroyed the whole morning.”

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These representational issues apply far beyond software development. For example, in the USA and in many other countries, we look at GDP as a measure of the economic productivity of the country. But how does this metric shape — or distort — our view of productivity? If a parent stays home with small children and they both love the time together, and the parent uses that time to help grow a loving, educated, productive citizen, it adds to the well-being of the country as well as that child and that parent and that family. But GDP? Nada. If instead, the parent paid money to put the child in mediocre day care, that would add to the GDP.

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Similarly, if I go to the grocery and buy a hard, tasteless tomato for myself, I will pay for the growing of that tomato, advertising it, shipping it, warehousing it, displaying it, and for the genetic alterations so that the tomato, while tasteless, is easy to transport without spoiling. Yay me! I have added to the GDP. But if I go to a friend’s house and taste a wonderful tomato, ask for some seeds or a cutting and grow my own heirloom tomato, watering it lovingly with rainwater, weeding around it, and fertilizing it with compost, I have added zero to the GDP. Yet, the tomato will give me more pleasure, not less, than the croquet balls they have in the store.

Representation is a good thing! Humans use symbolic thinking to do many things that would be difficult or impossible without these kinds of representations. But we must remember the limitations and not confuse reality with our representations of reality.

This is not a new phenomenon. In the American Revolutionary War, high ranking British military officers could not understand why the British navy “refused” to navigate their warships up the Bronx River to attack revolutionary positions upriver. If you’ve ever seen the Bronx River, you’ll realize why immediately. But the maps that the British brass looked at showed a navigable river!

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Yes, we need to use representation in our thinking. But we also need to think about our representations. You cannot assume that the one that is customarily used is “right” in all circumstances. People of different backgrounds and cultures will often use somewhat different representations of a problem or situation. (This is one of the advantages of diversity). However you do it, it’s worth questioning whether the way you are representing a situation or problem is optimal, or even adequate, for the problem at hand.

Suppose you are measuring “number of user errors” that users make while using a prototype text editor. You move from prototype A which averaged 10 user errors per half hour test to prototype B which only averages 5 user errors per half hour. Yay! You’ve cut user errors in half! But what if the errors you eliminated were all fairly trivial; e.g., people with version A couldn’t figure out how to number their footnotes with Roman numerals instead of Arabic. In version B, that error, along with other trivial errors, was eliminated. But one of the new errors causes the system to crash and all the user’s work to be lost. Have you really made progress?

All errors are not alike. All dollars are not alike. All people are not alike. Not even all tomatoes are equivalent. We constantly over-simplify and yet in some cases it’s necessary in order to deal with complexity. I don’t see how all such errors can be avoided. But it’s crucial for everyone, but especially for managers and executives, to be open to the cases where the representation that is being used has become counter-productive rather than “doubling down” on such errors. Finding and fixing errors of representation are generally harder to diagnose and fix than errors made with a representation. That is all the more reason why everyone, but especially leaders, must be open to changing the way issues are represented.

It is no accident that dictatorships generally result in nations wherein people have both less material wealth and less enjoyment and freedom. A dictator typically refuses to admit mistakes and fix them even if it means murdering someone to make the problem appear to go away. Ultimately, this process ruins any organization. Such a person need not be a national leader. They can be a company manager, a coach, a corporate executive, or a parent. Everyone makes errors, including errors of representation. But a reasonable person is open to fixing it when new information becomes available. You can be like that too.

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Regression to the Mean

10 Monday Dec 2018

Posted by petersironwood in America, management, psychology, sports

≈ 2 Comments

Tags

Business, experiment, family, Feedback, HCI, learning, life, politics, science, sports, testing, usability, UX

Regression to the Mean

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While working full-time at IBM Research, I was also a Fellow at the Institute for Rational-Emotive Therapy in Manhattan. I wrote an article in 1978 for their Journal, Rational Living. The title was: “Why Do I Self-Down? Because I’m an Idiot?” Indeed, many people put themselves down and it is not helpful. I hypothesized several different causes for this kind of self-slamming behavior. Most of these causes you could probably figure out on your own. But one in particular is subtle and non-intuitive. It is based on a statistical phenomenon which few people know about despite the fact that it is extremely pervasive. This phenomenon is called “Regression to the Mean.”

I want to define this term by explaining some examples. Imagine that you have a new soft drink which contains a combination of herbs that will purportedly make you smarter; e.g., gingko and bacopa. (There is some evidence these may actually work but let’s assume that they don’t or that your tea has too little to be effective). Here’s what you do to “prove” that it works anyway. You give an IQ test to 10,000 people and choose the 50 who score the lowest on the test and have them drink your tea for the next six months. At the end of that time, you give those 50 people an IQ test again and — Voila! The average (or mean) of the IQ scores has almost certainly gone up. Yay! It works!

Or does it? One of your competitors is not too happy about your study. In fact, they aren’t even happy you put your tea on the market. They decide to prove that your tea is not only ineffective but that it makes people less smart. So what do they do? They give an IQ test to 10,000 people and they pick the 50 who score the highest. They have them drink your tea for six months and at the end of that time, they have them take another IQ test. In this case, the mean (average) score is lower than the first time! Ouch! They say your tea causes brain damage!

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How can the same tea make people smarter and make them dumber? In this case, it does neither. What is going on? Here’s what is going on. When you measure something, there is always some error. Whether you are measuring your weight, your height, your blood pressure, or your IQ, the measurement is never exactly perfect. Your weight may vary slightly because of atmospheric pressure and more so because of water retention. If you take an IQ test, your score will partly reflect how well you do on such tests in general, but it will partly depend on luck. You may have felt particularly good that day, or a few of the questions might have been on topics you just heard about on TV the day before, or you may have made some lucky guesses. Or, you may have been unlucky on a particular day. You might have had a cold or misread one of the questions or forgotten your morning coffee. On any given day, some people will be a little lucky and some people will be a little unlucky. These things tend to balance out in a large group and if you tested all 10,000 people after six months, then assuming the tea has no real effect, no effect will be shown in the data.

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However, if you select the very best scores, you are partly picking smart people, of course, but you are also picking the people who were lucky that day. When you test just those people six months later, they will generally be just as smart but there is no reason to suppose they will be lucky again. Some will be lucky both times, most will not be particularly lucky or unlucky and a few will be unlucky. The average score will be lower. Conversely, if you choose the lowest scoring people, you will partly be choosing people who don’t do well on such tests in general. But you will also be choosing people who were tired, sick, guessed wrong or were otherwise unlucky that day. When you retest, those people will still tend to be people who do poorly on such tests, but they won’t necessarily all be unlucky again. Some will. Some won’t. On average, the scores will be higher than they were the first time.

The phenomenon of “Regression to the Mean” was first noted by Francis Galton in the 1880’s. Tversky and Kahneman, so far as I know, were the first to note that this phenomenon could easily cause managers, coaches, and parents to end up being unnecessarily negative. Here’s how it works. Let’s say you are learning to hit tennis serve. Although you will likely improve in general, over time, there will also be a lot of variation in your performance. Sometimes, everything will work well together and you’ll hit an excellent serve, one that is above your average level. At first, the coach’s natural inclination will be to praise this by saying, “Wow! Great serve!” or something like that. Unfortunately, your next serve, due to regression to the mean is very likely not to be quite as good as that one was. Your coach’s praising behavior was thereby punished. On the other hand, if you hit a particularly poor serve for your level, your coach might say, “Oh, come on. You can do better than that!” If they choose to say such things only on your very worst performances, then, due to regression to the mean, your next serve is likely to be somewhat better. In other words, their slamming you will be rewarded by your doing better the next time. The same general tendencies will apply to managers and parents as well.

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The same applies to you! Whatever you are doing, your performance will vary somewhat over time. If you begin by praising yourself internally whenever you hit a particularly great shot, your next shot will most likely be not so great. On the other hand, if you put yourself down when you find your performance particularly bad, “You idiot! How could you miss that!?” Your next shot will tend to be somewhat better. Over time, your positive self-talk will tend to be punished and your negative self-talk will tend to be rewarded.

It’s no wonder then that many managers, coaches, and parents end up saying very negative things about their charges. It’s also no wonder that many people say (or more likely think) many more negative things about themselves than they say positive things.

Is there anything to be done? First, simply be aware of this phenomenon. That is step one. If you are running a study, you need to be careful in selecting. The study about your tea could be fixed by re-testing the entire population; by selecting a random group of 50 rather than the best or worst; or by using a control group who did not drink tea but was retested anyway. When praising or punishing someone’s performance, do not bother with trying to reward or punish outcomes based on one trial. That’s actually a pretty poor way to coach yourself or others in any case. See The Winning Weekend Warrior for more on this. Also watch out for this when you read about various conclusions of other studies. Did the investigators select either the “best” or the “worst” for their study? If they did such a selection, did they talk about the bias this introduces? Did they have a control group?

Meanwhile, treat your mistakes as opportunities to learn, not as opportunities to put yourself down. There’s really no point in self-downing. But if you do find yourself self-downing, remember that it’s common; relax; smile at this human foible; then quit doing it. At least give yourself a break for the holidays.

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Tversky, A., & Kahneman, D. Judgment under uncertainty: Heuristics and biases. Science, 1974, 185, 1124-1131.

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Meta-Cognition

08 Saturday Dec 2018

Posted by petersironwood in management, psychology

≈ 2 Comments

Tags

bias, cognition, Feedback, Halo Effect, politics, Primacy Effect, psychology, science, sports, truth

Meta-Cognition

“Cognition” refers to thinking activities such as problem solving, learning, decision making, and imagining. “Meta-Cognition” refers to thinking about thinking. The science of psychology, over the last 150 years, has learned a lot about human thinking. If you are reading this blog post, the chances are pretty good that you are a human being. Although there are important individual differences in how people solve problems, learn, make decisions, and use their imaginations, there are also huge similarities. To the extent that you understand your own thinking, you can use that knowledge to do a better job of problem solving, learning, decision making and using your imagination.

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Here are a few examples that you may already be aware of. I really like chocolate. And I really like almonds. Chocolate-covered almonds are one of my very favorite foods. I know this about myself. I also know that I am easily distracted. I’m not the sort of person who begins to write a blog post, thinks about chocolate almonds and then stops writing to rush out to the store and buy a package. In fact, there is almost no activity that I can be engaged in which I would interrupt in order to go buy chocolate almonds no matter how much I craved them. On the other hand, if there were a bowl of chocolate almonds right beside me, in easy reach, I would definitely reach over and grab some whenever I paused in my writing. So, how do I use the knowledge about my own behavior to control my own behavior?

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I don’t often buy chocolate almonds. It’s very easy to simply not go to the part of the grocery store where these little devils hang out. If I walk by, I know that they will start singing to me like the Lorelei of legend: “Come get me! I am so tasty. Get me now. Please. I want to go home with you.” But I can’t really hear them that well beyond about five feet. Probably this is because they have a very rudimentary vocal apparatus.

I do buy them perhaps once a month and when I do buy them I put them in a closed drawer so they are mainly out of earshot. Then, I will have a few and get back to work. I may not have them for days at a time. If, however, I put them in a bowl right beside my computer, I am fairly certain that I would eat the whole box the first day; indeed, quite possibly in the first hour.

This is an example of using what I know about how I think about things to think about arranging the environment to my own long-term benefit.

Another example, which I may describe in more detail later, is the so-called “Primacy Effect.” This is known in popular terms as the power of “First Impressions.” If your first experience with something — whether it’s dogs, cats, Chinese food, or computer programming — is negative, it will be difficult to overcome that later. This is not only true of emotional reactions. It’s also true about what you recall about something.

Suppose that you meet someone named Joseph Josephson at a party and John has a beard and long black hair. Perhaps you talk to Joseph for ten minutes. You meet Joseph a few months later at a tennis match and now he is clean shaven and has short hair. You play tennis with him for an hour. A few months later, someone happens to ask you if you know Joseph Josephson. Chances are, an image will pop into your head of Joseph with long black hair and a beard. Of course, sales people, politicians and wise people applying for jobs make use of this and want to make a “good first impression.” Since you now know that first impressions are particularly important, you can use this knowledge about how people think to make sure that first impression is a good one.

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You can also use that knowledge to help modify your own thinking and decision making. Suppose someone comes to you for a job interview and the first thing they do when they walk in your office is trip over a chair and spill their papers on the floor. That’s unfortunate! It is quite natural to immediately conclude that they are unsuited for the job. At this point, you could remind yourself though that this is only a first impression and that you should not let it color your judgement about whether they are the best candidate for the job. You probably won’t be entirely successful in not letting it cloud your judgement, but you will be somewhat successful.

As I explain in The Winning Weekend Warrior, you can also use the “Primacy Effect” in sports. For example, if you are serving in tennis doubles, if you mainly want to hit a flat serve and stay back after serving, you might serve a kick-serve and follow it to the net a few times at the beginning. Even if you never do this again, your opponents will continue to be “looking for” that kick serve and may prepare their return on that basis.

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When it comes to evaluating candidates for jobs, you must also be wary of the “Halo Effect.” If you find out something good about a candidate, it will tend to cloud your judgement about other aspects of their qualifications, even if that “good thing” is likely irrelevant to the job. A physically attractive candidate will tend to be judged as more qualified overall even if the job has nothing to do with physical attractiveness. But now that you know this about human judgements (and therefore also your judgements), you can take steps to minimize the “Halo Effect.” It may help, for instance, if you specifically judge candidates on several dimensions of background or experience. The more “objective” you can make the criteria, the less susceptible the judgments are to the “Halo Effect.” So, if the candidate is very attractive, for example, if you simply say whether they are suitable for the job, there will be a relatively large impact of their attractiveness. On the other hand, if you are asked to separately rate the candidate on Work Experience, Educational Background, Appearance, and Relevant Skills, the Halo Effect from their physical appearance will tend to be mainly (but not wholly) focused on the “Appearance” factor. If you answer even more specific and objective questions such as: “Does the candidate have an advanced degree?” or “Does the candidate have more than two years programming in C?” the “Halo Effect” is further minimized.

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One of the most common ways that people use meta-cognition is simply to write things down. You and I both know that we have a tendency to forget. Most of us, therefore have paper or electronic calendars. We don’t typically rely on our own memory to keep track of a complex schedule of appointments. Why? Presumably, we do this because we know that we are likely to forget an appointment if we rely on our brains. Most of us do not bother to put our own birthday on the calendar because we realize that we are quite aware of it and not likely to forget. People who celebrate Christmas often do not bother to put that date on the calendar either. We know that it would be rather hard to forget! Similarly, many people who go grocery shopping and buy milk, eggs, and bread every week do not bother to put it on the list. If your aunt Mary is coming to visit and she requires soy milk, you probably will put that on your shopping list. You realize (through meta-cognition) that this is an item you are likely to forget.

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These are just a few examples. Findings about human cognition abound. You can use these findings to do a better job in your own thinking; you can use those same findings to help you in competitive situations in predicting what others will do. If you are interested in more such findings about psychology, you might find these fascinating and well-written books of interest.

Thinking Fast & Slow, by Daniel Kahneman

Predictably Irrational by Dan Ariely

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Holiday Gift Ideas:

For busy professionals who wish to live a long and healthy life: Fit in Bits shows many ways to work exercise into otherwise sedentary activities.

For amateur athletes who would like to win more, The Winning Weekend Warrior focuses on strategy, tactics, and the mental game for all sports including tennis, golf, softball, etc.

For Sci-Fi fans, Turing’s Nightmares presents 23 short stories that explore the practical and ethical implications of Artificial Intelligence.

For those interested in what it was like to grow up in mid-America in the 1950’s, Tales from an American Childhood recounts early memories and then relates them to contemporary events and issues.

Systems Thinking: Positive Feedback Loops

07 Friday Dec 2018

Posted by petersironwood in America, creativity, psychology, Uncategorized

≈ 2 Comments

Tags

Design, Feedback, innovation, learning, politics, POTUS, science, systems thinking, thinking, vicious circle

Systems Thinking: Positive Feedback Loops

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One of the most important tools of thought that anyone can learn: “Systems Thinking.” I touched on this in yesterday’s post “And Then What.” I pointed out that when you take an action that impacts a system such as a human being, a family, or a country, it does not react in a mechanical way.

Here are some examples. For many years, the United States and the USSR were involved in a cold war arms race. Every time the USSR added more nuclear missiles to their arsenal, the people in America felt less safe. Since they felt less safe, they increased their armaments. When the USA increased nuclear weapons, this made the Soviet Union feel less safe so they increased their arms again and so on. This is what is known in Systems Thinking as a “Positive Feedback Loop.” It is also popularly known as a “Vicious Circle” or “Vicious Cycle.”

Let’s say that you are in pretty good shape physically and regularly run, play tennis, or work out. The more you exercise (up to a point), the better you feel. Feeling better makes you feel more like exercise and more exercise makes you feel better. People call this a “Virtuous Cycle” or “Virtuous Circle” because we think the outcome is good. But formally, it is the same kind of cycle.

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The most important thing to recognize about a Positive Feedback Loop is that it can be run in either direction. At some point, the US reduced their nuclear arsenal and this decreased the perceived threat to folks in the Soviet Union so the soviets felt that they could also reduce their nuclear arsenal which in turn, made people in the US feel safer and led to further reductions and so on.

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Similarly, if you stop exercising for a month, you will tend to feel pretty crappy. Feeling crappy makes you feel less like exercising and this in turn makes you exercise less which in turn makes you even more out of shape, feel worse and be even less likely to exercise. You can break such a “vicious circle” by starting to exercise – even it it’s just a little to start moving the circle in the “virtuous” direction. (Incidentally, that’s why I wrote “Fit in Bits” which describes many easy exercises to get you started).

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“Vicious circles” also often cause disagreements to escalate into arguments and arguments into fights. Each person feels “obligated” not to “give in” and the nastier their opponent becomes, the nastier they become.

“Fawlty Towers” (https://en.wikipedia.org/wiki/Fawlty_Towers), a British sit-com uses “Positive Feedback Loops” in the escalating action of the comedy plots. John Cleese plays the co-owner Basil (with his wife, Sybil) of a small hotel. Typically, John Cleese makes some rather trivial but somewhat embarrassing mistake which he wants to hide from his wife. In the course of trying to cover up this rather small mistake, he has to lie, avoid, or obfuscate. This causes an even more egregious mistake which makes him even more embarrassed so he must result to still more outlandish lies and trickery in order to cover up the second mistake which in turn causes an even bigger mistake, and so on.

That pattern of behavior reminds me of the current POTUS who is famously unable to admit to an error or lie and uses a second and bigger error or lie to try to cover up the first lie and so on. He seems, in fact, completely incapable of “systems thinking.”

For example, he may see (and exaggerate) a real, but containable threat such as a trade deficit. He sees the US send more money out of the country than the US takes in from trade. That’s a legitimate issue. But the approach he takes is to ZAP the other parties by slapping on tariffs without any real appreciation of the fact that our trading partners are extremely unlikely to react to tariffs on their products by simply doing nothing. One could use logic, empathy, or a look at history to determine that what is much more likely is that the other countries will put tariffs on our goods (which, of course, is precisely what happened).

Similarly, he demands absolute loyalty. He repeatedly puts himself and his own interests above the law, the Constitution, the good of the country and the good of his party. He expects everyone loyal to him to do the same. But he betrays these loyal appointees, friends, and wives whenever it suits him. He thinks he is being “smart” by doing what seems to be in his best interest at that moment. But what he fails to see is that by being disloyal to so many people who have been mainly loyal to him, he encourages his allies to only be loyal to him while it suits their interests.

In the Pattern “Reality Check,” I point out that such behavior is an occupational hazard for dictators. Apparently, it can even be such a hazard for would-be dictators as well. By surrounding himself with those who always lie, cover for him, laud him, cater to his insane whims, etc., such a dictator (or would-be dictator) loses touch with what is really going on. He becomes more and more disconnected from sensible action yet those who remain loyal must say and do more and more outrageous things to keep the dictator from finding out just how bad things really are. Eventually, the Emperor with no clothes may die of hypothermia because no-one has the courage to tell him that he’s actually wearing no protection against the elements!

Positive feedback loops exist in purely natural systems as well as biological and social systems. For example, increased global mean temperatures mean less arctic ice which means more solar radiation will be absorbed by the earth’s dark oceans rather than reflected back into space by the white ice and snow. This, of course, makes the earth hotter still. In addition, the thawing of tracts of arctic tundra also releases more methane gas into the atmosphere which is even more effective at trapping the earth’s heat than is carbon dioxide. Global climate change also makes forest fires more prevalent which directly spews more carbon dioxide into the air and reduces the number of trees that help mitigate the emissions of carbon dioxide by turning it into oxygen through photosynthesis.

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A concept closely related to “Vicious Cycles” is that of “Cognitive Dissonance.” Basically, people like to believe that they are honest and competent. Much like John Cleese (Basil) in Falwty Towers, once they do something dishonest or incompetent, their first reaction is not to believe that they did something dishonest or incompetent. They will now try to distort reality by misperceiving, mis-remembering, or distracting.

For example, at the height of the Vietnam War, I was horrified at the beatings perpetrated by the police on peaceful protestors at the Democratic National Convention. I was also disturbed at the techniques the Democrats used at their convention to silence the voices of dissension within the convention. Candidate Nixon claimed he had a “secret plan” to end the War in Vietnam. I voted for Nixon. As it became clear that Nixon was a crook, I decided that I had made a mistake voting for the man. But I could have taken another path which would be to “double down” on the original mistake by continuing to support Nixon and dismiss all the growing evidence of his misdeeds. As his malfeasance became more and more egregious, it made the egregiousness of my original mistake of voting for him grow as well. So, it would be possible to become ever more invested in not believing the overwhelming evidence of his treachery. (Now, it turns out, it was even worse than we knew at the time. He actively thwarted the peace efforts of Johnson!). Perhaps because I’ve been trained as a scientist and science values the truth very highly, I did not fall prey to that particular instance of “Cognitive Dissonance.” I readily admitted it was a stupid mistake to vote for Nixon.

Of course, today, we see many people not just backed into a corner to support the current POTUS but backed into a corner of a corner. Instead of believing that a liar is lying, they protect their “integrity” by insisting that everything and everyone else is lying: the newspapers, the reporters, his opposition, people in other countries, his former business partners, his former customers, the CIA, the FBI, the NSA. Ironically, for some people, it would be easier to admit that voting for a slightly inferior candidate was a mistake than to admit that voting for a hugely inferior candidate was a mistake. Voting for a slightly inferior candidate is easily understood but if they voted for a candidate that bad and bad in so many ways it was a huge error. And now, as each new revelation comes to light, it is more and more and more embarrassing to admit what a huge mistake it was.

Another common example of a “Vicious Circle” is addiction. A small amount of alcohol, nicotine or heroine makes you feel better. But taking the drug increases your tolerance for it. So, next time, to feel better, you need to take a little more. Taking a little more increases your tolerance still further so now you need to take a still higher dosage in order to feel better. When you do, however, your tolerance increases still more. Whether it is drugs, gambling, addictive sex, or unbridled greed, the mechanism is the same. You need more and more and more over time due to the nature of the “Positive Feedback Loop.”

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A similar mechanism may be at work in the minds of apologists for the NRA (National Rifle Association). As more and more innocent people are killed partly because of easy access to guns, the mistake of supporting the NRA in their refusal to support mandatory vetting, training, and competency demonstrations for gun owners becomes an ever-more obviously egregious error. But, rather than making this more likely for supporters to admit to such an error and therefore change their position, every new slew of innocent children killed for no reason makes them actually less likely to change their position. According to Cognitive Dissonance, every such death makes their earlier decision worse – unless there is some counter-balancing argument. As the number of innocent deaths arises, and indeed, as more and more evidence of the perfidy of the NRA becomes clear, many who previously supported the NRA become ever more entrenched because they “buy into” the great value of unlimited access to guns ever more. Why? They continue their support because not to do so makes them complicit in more and more horrendous crimes.

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If you can see such patterns in your own behavior and in others, you can better choose the correct course of action for yourself and be more thoughtful in how you communicate with others about their errors. Hint: Trying to make people feel more guilty for their stupid decisions will likely backfire.

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And, then what?

06 Thursday Dec 2018

Posted by petersironwood in creativity, psychology, Uncategorized

≈ 5 Comments

Tags

Business, consequences, Feedback, innovation, learning, science, testing, thinking

And then what?

When it comes to increasing the drama in TV crime shows, westerns, and spy thrillers, both the brilliant, evil villain and the smart, brave, good-looking protagonist display one common and remarkable weakness: they rush into action without much thought as to the possible consequences of their actions.

Here’s a scene that you and I have probably seen a thousand times. The hero has a gun drawn and a bead on “The Evil One” but the Evil One has a knife to the throat of the friend or lover of The Hero. The Evil One, as both we in the audience and The Hero know, cannot be trusted. Most likely, The Evil One has caused the death of many people already, is treacherous, and lies as easily as most people breathe. Nonetheless, The Evil One promises to release the hero’s friend or lover provided only that The Hero put down their gun and slide it over to The Evil One. And The Hero complies! Often, The Hero will elicit a “promise” from The Evil One: “OK, I’ll give you my gun, but you have to let them go!” The Evil One, for whom promises mean nothing, “promises” and then The Hero slides the gun over. At this point, The Evil One is obviously free to kill both The Hero and their friend or lover immediately. Instead, The Evil One will begin chatting them up. This allows time for magic, skill, accident, God, unknown allies, or brilliance to turn the tables on The Evil One.

Here’s another scene that we’ve both witnessed. The Hero suddenly finds out some crucial piece of information that lets them know the whereabouts of The Evil One. Often this is an abandoned warehouse filled to the brim with minions of The Evil One. But, it might be the cave deep beneath the island stronghold of The Evil One; a stronghold filled to the brim with his minions. The Hero rushes in with a woefully inadequate force and without informing anyone concerning his whereabouts. He or she confronts The Evil One who not only confesses to past misdeeds but outlines their future plans to The Hero as well.

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In the TV series or the movies, the sequence of events is determined by the writer(s) so even though The Hero faces impossible odds, he or she will almost certainly overcome those impossible odds. That makes for an exciting story!

But in life?

In real life, you’ll typically do a lot better if you think about the likely consequences of your actions.

Sometimes, people fail to do this because they have simply never developed the habit of thinking ahead.

Sometimes, people let their wishes completely color their decisions. For instance, an addicted gambler, despite their actual experience, believes that gambling more will result in a favorable outcome for them rather than the truth which would be that there is an extremely small chance that they will win overall.

Sometimes, people are too ignorant to realize that there are potential negative consequences. For instance, when I was a youngster, I had a “glow in the dark” watch and cross; each glowed partly because of radium. I enjoyed putting these right up to my eyes in order to observe the flashes of individual photons. I also put together model airplanes with glue. When I applied too much glue, I dissolved it with Carbon Tetra-choloride. I loved the exotic smell of Carbon Tet. Now, it is deemed too dangerous to be used in this way.

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In many cases, it seems to me that people do think about consequences but use an overly simple model of reality on which to base their predictions. In particular, people often treat individuals and social systems as mechanical systems and base their decisions on those mechanical models rather than actuality. For example, your kid does not, in your opinion, eat enough broccoli so you simply force them to eat broccoli. Your “prediction” of the consequences of this may include that the kid will eat more broccoli, be healthier, eventually like broccoli, etc. Depending on the individual child, it may be that none of these will actually occur. In some cases, it may even happen that the exact opposite of your goals will be achieved. The kid may eat less broccoli, be unhealthier, and hate broccoli more than ever. There are many other possible consequences as well. The kid may end up hating meals with the family or hating you or hating the color green.

When it comes to individuals and social systems, it is hard to know what the net effect might be. Often though, the most significant cognitive problem that people have is that they are so sure of their prediction that they base their actions on what they think should happen rather than what actually does happen.

As recounted in some detail in the Pattern, “Reality Check,” instituting a new social reward or punishment system often does indeed change behavior, but not necessarily in the desired manner. If, for instance, programmers are now rewarded on the basis of lines of code written, they might indeed write more lines of code but many of those lines of code may be unnecessary. You might write 1000 lines of code or you could spend time thinking about the problem and then write two lines of code that accomplish the same result. Will you do so if you are only rewarded 1/500 th of the bonus?

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Similarly, you may measure the performance of service technicians by how many calls they “handle” during their shift. But if that is the main or sole measure, you may also end up having those service people tend to offer trivial or even useless advice based on insufficient information. In all these cases, if management keeps seeing what really happens, any damage done by having an inaccurate predictive model of what will happen as a result of a change will be mitigated. But in a system, whether private or governmental, where people are mainly motivated to keep management happy by telling them what they want to hear, instead of correcting a poor intervention, the problems caused by inadequate models will tend to multiply, fester, or explode.

So:

Think of possible consequences and try to determine which ones are most likely. Then, observe what really does happen. This helps avoid turning an issue into a disaster and, over time, it also helps you develop more realistic models of reality. It will also tend to put you in the habit of taking a flexible and reality-based approach to your decisions rather than one that is based on a rigid and inaccurate model of how things should be. The latter approach to decisions will not only make you individually ineffective; it will also make it almost impossible to work well with others (unless everyone involved shares the same inaccurate model).

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Buggy Whips to Fingertips

26 Thursday Jul 2018

Posted by petersironwood in America, management, psychology, Uncategorized

≈ 1 Comment

Tags

computers, Democracy, Dictatorship, experiment, Feedback, HCI, human factors, Human-Computer Interaction, politics, programming, UX

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My degrees are in psychology. I have also been fascinated by computers. One main reason I went into HCI/UX/Human Factors was that I saw computers as devices that would amplify collective human intelligence. Thereby, with a mixture of people and computers, we would be able to solve such complex problems as world hunger, overpopulation, disease, global climate change, wars, and so on. I definitely saw myself as most interested in the people side though I thought comparing and contrasting computers and people shed new light on the people side. If you only have one type of computational mechanism; viz., us, then it’s hard to know how much of what happens in trying to solve a problem is because of our common human heritage and hardware and how much is intrinsic to the problem.

This interest in the novel light that computing could shine on human intellect was what initially drew me to computers, but I later saw them as fascinating in their own right as well as being extremely important tools for a psychologist. For example, I used a PDP-8 to run experiments on the psychology of aging and to analyze the data. Only when I joined IBM did I begin to change my focus from how computers could be useful tools for psychologists, but how psychology could be useful tools for improving computers (or at least the actual performance of the computer in doing useful work when used by a person).

Although I took a number of programming courses, I only ever became an amateur programmer. My main method for programming some task was to think about how I would do it and then step by step, make the computer do it. This process has many limitations, a few of which are obvious even to me. For example, when doing my dissertation work, I had the computer register the time whenever any one of five subjects made a response. While sitting in the computer room (while the subjects were in their booths), I was sitting and reading something while the disk kept buzzing next to me: Bz-b-bz-bz. Bz-b-bz-bz. Bz-b-bz-bz.

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I had used my “What would John do?” method of programming. If I saw a long number and had to go write it down, I would want to do it immediately, and then be ready for the next number. But this was insane for the computer! The computer could “remember” hundreds of these numbers and then write them out to the disk en masse. Anyone who had gone through even an introductory programming course would approach the problem differently than I had — at least until the computer used its disk buzzing to wake me up to its modus operandi which are really quite different from mine.

Like every other human, I make mistakes all the time in every sort of endeavor. For example, I like to play tennis and I like to hit a serve that’s hard to return. So, I am typically trying to serve to a particular spot. I’m not dead on accurate. I might miss long or wide by a couple inches or hit the net. But I will not (or at least haven’t yet) turned around and sailed the ball out of the court behind me. Nor have I ever yet struck the ball straight down at my feet. Nor, have I tossed the ball sideways into the screen and then swung anyway (!), and accidentally let go and flung the racquet across the net. But if you have ever programmed a computer, you know any of these behaviors might be possible based on the slightest error you can imagine.

It is ironic because most people think people are unreliable while computer are reliable. Well, it’s not that simple. Most people are pretty reliable most of the time and especially when they are acting within their bailiwick. Yes, they slip up and make mistakes but they are usually (not always) both understandable and fixable. A computer can do anything. The hardware is typically reliable but can still fail. Much more likely is that there are differences between what the programmer thought she or he was telling the computer and what the programmer actually told it to do. But wait! There’s more! Even more likely is that the intent of the programmer solves only a small part of the overall problem, solves the wrong problem, or actually makes the situation worse. That is not — or at least not solely — the fault of the programmer (more likely, the fault of an entire bureaucratic process).

This kind of weird and catastrophic error appeared in the program that ran my dissertation experiment at Michigan. Worse, it was a different weird and catastrophic error that appeared every time I ran the program! Often, the program would run correctly for five minutes or fifty minutes and then – BANG – unrecoverable error.

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The program was in FORTRAN 2. Someone had added some useful macro functions for doing experiments. For instance, there were a number of initializations for the displays. We had five displays so these functions all had the form FUNCTION1(2) which applied the function1 to the second display. To make it even more convenient, if you wanted to do the same thing to all five displays (which was always the case for me), you could simply pass it the argument (7) and the macro code would apply it to all five displays. So, I had a list of about 5-6 commands of that form: Function1(7), Function2(7), Function3(7) etc. Having initialized the displays, the next thing on my agenda was to initialize the array that held the timing information. Since I wanted to do this for all five of the arrays, it seemed as easy as rolling off a cliff to use the (7) convention and thereby apply it to all five reaction time arrays. In more modern version of FORTRAN, they won’t allow you to do that (you will get a compile time error). But back when Joy to the World by Three Dog Night topped the charts, there was no error message at compile time. Secretly, of course, you just know that compiler was snickering as it thought: “Oh, you want to write some time stamp into the seventh element of a five element array? Fine. The customer is always right. Be my guest. Good luck with that.” This is the computer trying to “serve” and instead smashing the ball directly into the ground.

Yet, keep in mind that there are some (not all) very rich and powerful people out there who sincerely wish that “people” could just be more like computers and do precisely as they’re told, always, and without question. And, when I say there are “people” they want to control like a computer, I mean you. That is exactly what they want. For you to do what they insist you do. They are about to get away with it – and if they do, there will be no Joy to the World – not for a very long time. Because if someone else lays out all the choices for you, you are not living your life at all. You are a tool in their life.

It isn’t even really a good system for them. Willing collaborations yield insights and creativity and productivity. It is precisely what has taken us from buggy whips to fingertips in an astoundingly short time. Society and technology and learning progressed at a snail’s pace in Medieval times. I don’t mean those really speedy thoroughbred racing snails either; I’m referring to the garden variety garden snail. A politician who has competition will want to show some sort of real progress. But a dictator? Maybe if they are particularly partial to scientific advancement or the fine arts, they might throw a few dollars that way. And some have. But many have not. What they typically put time, energy and thought into is war and the weapons of war.

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Now, instead of, or at least in addition to, having computers help provide a coordinating infrastructure of knowledge so that human beings can collaborate and solve more interesting problems as I had initially hoped a half century ago, computers and social media are being used to trick people into denying the validity of their own experience and existence. How do we debug this situation before it’s too late? I sometimes think that part of the problem is that we have tried to jam seven elements of serious social and technological change into an array that can only hold five elements. But maybe that’s irrelevant. What is relevant is that people are at their best when they are free to be people and at their worst when they are made to pretend that they are machines.

Chain Saws Make the Best Hair Trimmers

12 Thursday Jul 2018

Posted by petersironwood in America, management, psychology, Uncategorized

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autocracy, Business, collaboration, Design, fascism, Feedback, meritocracy, politics, teamwork

Continuing with the theme of deciding how much risk is “reasonable” to take in your career and your life, I’d like to share a story about my time at a mythical company we will label as NYNEXX. NYNEXX we’ll imagine, was one of the so-called “Baby Bells” who provided local phone service. It was created from the break-up of AT&TX. NYNEXX paid some marketing company millions to come up with the name which is for New Yorkx (telephone), New Englandx (telephone) and XX = who knows what we might do in the future!? And sure enough, within five years most people who were served by NYNEXX knew it was a brand of headache remedy. See, marketing is not nearly so scientific as some (particularly those selling marketing services) would have you believe. More about that another time. NYNEXX later merged with Bell Atlanticx and then with GTEx and has transmogrified into a company known as Verizonx. (Any resemblance to similarly named companies, such as NYNEX, of course, is purely coincidental).

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This story concerns itself with professional advice I was asked to render. At the time, I was the executive director of the Artificial Intelligence Lab at NYNEXX Science and Technology. But my management chain knew that I was knowledgeable in Human-Computer Interaction, Human Factors, User Experience etc. In fact, I was asked to start up and then head up the AI Lab to do work in speech recognition, expert systems and machine vision. Before even accepting the job, I explained how much we also needed a group doing Human-Computer Interaction research. This turned out to be a wonderful thing for all the obvious reasons, but one of the non-obvious reasons was that it helped cement HCI into the minds of my management.

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A hot summer day, several of us were called into a conference room by one of the chief aids to the CEO so we could advise on a new proposal the CEO had for increasing trust of top management. You probably intuit quite well that it’s important for workers and managers to trust the top management of the company. The numbers for NYNEXX at that time (decades ago) had been abysmal several years running. The first year that they reported results, only something like 14% of the workers trusted top management. The numbers were even worse for lower management than for union workers. Top management decided the reason for these terrible results was that people did not know enough about top management and the reasons for their decisions. So, they instituted a plan to TELL people more about why what top management was doing was RIGHT, damn it! They did this for a year and then re-measured the results. Now, the percentage of workers who trusted top management had skyrocketed all the way to about 10%! Wow! In the company rag, which I believe was called The Leader, they reported last year’s numbers, this years numbers, and then said that with all their success, they would continue the program for another year. Huh? Yeah, right? And this was way back when Donald Trump was still merely a racist, misogynistic, unfaithful, bankrupt builder.

The top NYNEXX management had called in one of the top business consultants on the topic of trust and he related to them the story of Sam Walton. You have to understand that whatever you may think of Sam Walton, Wal-Mart, or the Walton heirs, he was a down to earth, hands-on manager. He would spend half his time riding around in his pick-up truck with his hound dogs in the rear of the truck and go personally to the stores and see how things were going and talk to his store managers. At some point, the business grew so large that it took a long time to get back to every store so they started an hour long conference call each week. Each of his store managers called in to a conference call number and any manager could explain in one minute, a problem that they had encountered and solved. Since each of the store managers might face many of these same problems, this sounded like a very useful exercise in knowledge sharing and organizational learning. Part of the reason it worked as well as it did was no doubt because the managers could relate to Sam Walton. They already trusted him because of all his personal contact and the reputation that arose from that personal contact. I am sure the conference calls served to further enhance mutual trust in the organization as well as provide valuable organizational learning.

The chief aide from the CEO’s office explained all this to us by way of background. Next, he revealed their “take-away” and plan from the consultant’s consultation. They would do what Sam Walton did! He was trusted! So, now they would be trusted. Well, the design rationale thus exposed caused that same facial expression to appear on my face as when I discover that the jar of garlic-filled olives I was looking forward to consuming is completely encased in a finely feathered grey mold. Why the crinkled nose? Because NYNEXX top execs were nothing like Sam Walton when it came to being content to be “just folks.” They didn’t drive pick-up trucks, but were chauffeured in stretch limos. They didn’t ever wear jeans and a plaid shirt. They wore 3-piece suits. Even in the shower. So, already this plan was showing a serious issue. It seemed to me that it would succeed in about the same degree as my wearing the same brand of shoes that Rafa Nadal wears would enable me to create the same degree of speed and top-spin on my forehand drives that he does. Aside from the much more collegial nature of Walton’s relationship to his employees than our executives enjoyed, the other major difference is that all the Wal-Mart store owners faces at least some similar problems. There was a reason to share information. By contrast, the diversity of contexts and jobs and roles that NYNEXX managers faced was tremendous. Some sold yellow page advertising. Some led AI labs. Some managed repair crews. Some managed coin-counting operations. Still others were in charge of long-distance operators.

At the time, there were about 1000 Wal-Mart stores but there were 70,000 NYNEXX managers, so the top management at my company decided it simply would not do to allow them all to talk; it would be chaos. So, to increase “trust” in top management, all 70,000 NYNEXX managers would leave whatever else they were doing each Friday morning at 9 am and dial in to a conference call and hear the CEO talk at them for a solid hour. So, here’s one dilemma. As a so-called Human Factors Expert, I am supposed to take humans as they are and design to them. But I am sitting in the meeting thinking, “How the hell can adult human beings in management not be smart enough to see what a bad idea this is!” But it’s antithetical to the premises of the field to yield to the temptation to shout that.

And now the aide approaches the punchline, with this gem. “But we do want to make it interactive. At the very end of the hour, each manager will press one of the keys on their touch tone pad and we’ll record their answers. So, for example, the CEO might talk for an hour about how important it was for each manager to know precisely their job responsibilities. And, then, at the end of the talk, every manager would be told to indicate by touch tone on a ten-point scale how well they knew their job responsibilities.” So, this was the plan. Now, the aide turns to me and says, “So, that’s why we need your help. You’re a human factors expert. Should we have them use the “0” key for ten? Or should we use “9” for the top of the scale and “0” at the bottom? Which one?”

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Here we have an example of a classic dilemma in human-computer interaction. The boss/developer/client/customer asks you a very specific question. You could answer the question, but you know that it is the wrong question. Do you answer their question? Or, do you point out that they’ve asked the wrong question? And, what if you point out that it’s the wrong question and they insist that you answer the question asked, not the one you think they should have asked? I do not think that one answer is correct for all circumstances. How much are you willing to risk? It will depend on culture, for instance, and your circumstances; how much your own boss supports you; how much you care about keeping your current job – and many other factors. Here is what happened in this case:

I explained to this aide as clearly and calmly as I could that this whole idea sucked big time and why it sucked. No, I didn’t use that term. On the other hand, I probably could have toned down the exasperation in my voice just a tad. But sometimes, a degree of righteous anger is appropriate. It wasn’t simply that this was a bad design. It was a bad design because they had no understanding of how trust is created or any ability to empathize with their 70,000 managers that they were supposed to be leading. So, it’s not clear to me that it was inappropriate to be a bit exasperated.

The aide’s face grew red. He got a pugnacious look on the front of his head and said, “WELL! When my boss, who by the way, is the CEO, asks me what the best way to do something is, it is my job to tell him the best way, not to tell him it’s a bad idea!”

To which, I responded, “Well, when my boss asks me which type of chain saw is best for him to use to trim his hair, it’s my responsibility to tell him that a chain saw is a really bad way to cut his hair!”

It makes me chuckle to recall it, but the aide didn’t find it all that funny. One of my colleagues also pointed out the telephone traffic congestion peak created by having 70,000 people call in simultaneously. We apparently put enough doubt in their collective corporate mind that they ran some focus groups on the idea and it was thankfully never actually implemented.

Silly ideas like this may soon grow more common and the penalties for pointing out the truth may well grow more severe. We all have to ask ourselves how much we will tell the truth — and how much we will answer the wrong question in order to save our jobs, our ratings, our lives. This is not an issue limited to human factors and user experience. It can happen anywhere when people are put in charge based on something other than experience, expertise and a commitment to excellence.

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Happy July 4th

04 Wednesday Jul 2018

Posted by petersironwood in America, management, psychology, Uncategorized

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Business, collaboration, competition, Feedback, Human-Computer Interaction, learning, life, politics, psychology, science, teamwork, UX

As we celebrate in America, let’s not forget that many people fought long and hard to gain our independence and then to keep it. Let’s honor them by making sure we keep our independence. It would be a shame to lose it on the battlefield…and even more of a shame to lose it to greed.

It would also be a good time to recall that America is not alone in the struggle against tyranny. Many other countries had to fight and win their independence – and in other cases, people are still fighting for their freedom.

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As I mentioned before, I am temporarily suspending additions to the Pattern Language of ‘best practices’ in collaboration and teamwork and shifting to a different genre for a time. I’m still quite interested in collaboration and teamwork; I am interested in working together to learn from each other how to do that better. As I’ve tried to point out, while competition certainly has a place, both in nature and in human civilization, in human civilization, it needs to be done within an agreed upon framework. Otherwise, competition spins out of control into anarchy and violence. Of course, this has happened before in human history. This time, when our very lives depend on a global network of interconnectedness, anarchy will be worse than ever before. For now, however, I’ve listed most of the major Patterns I’ve run into. I will continue to elicit and look for additional relevant Patterns. If you think of one, please comment on the summary/index or email me at: truthtable@aol.com

Meanwhile, I’ve decided to share a number of experiences from my career as a researcher and practitioner in psychology, AI, and the field of human-computer interaction/user experience. I will relate these as honestly and completely as I think useful. In some cases, I may use pseudonyms to avoid embarrassing anyone. Clearly, stories are told from my perspective, and others might remember things differently, if at all.

The reasons for recounting these stories is basically threefold. First, studying a field such as psychology, or human-computer interaction is related to actually working in the field but not so much as you might think. For the most part, the errors I’ve made and the lessons that I’ve learned in the course of a long career are not primarily technical. The main lessons are socio-technical. Hopefully, people considering a career in a related field may learn from my mistakes. But aside from pointing out mistakes made, I hope to give a flavor for what it’s really like to work in the field.

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petersironwood

~ Finding, formulating and solving life's frustrations.

Tag Archives: Feedback

Resonance

Metaphors We Live By and Die By

Representation

Regression to the Mean

Meta-Cognition

Systems Thinking: Positive Feedback Loops

And, then what?

Buggy Whips to Fingertips

Chain Saws Make the Best Hair Trimmers

Happy July 4th