The guru to the gurus at last shares his knowledge with the rest of us. Nobel laureate Daniel Kahneman’s seminal studies in behavioral psychology, behavioral economics, and happiness studies have influenced numerous other authors, including Steven Pinker and Malcolm Gladwell. In Thinking, Fast and Slow, Kahneman at last offers his own, first book for the general public. It is a lucid and enlightening summary of his life’s work. It will change the way you think about thinking.
Two systems drive the way we think and make choices, Kahneman explains: System One is fast, intuitive, and emotional; System Two is slower, more deliberative, and more logical. Examining how both systems function within the mind, Kahneman exposes the extraordinary capabilities as well as the biases of fast thinking and the pervasive influence of intuitive impressions on our thoughts and our choices. Engaging the reader in a lively conversation about how we think, he shows where we can trust our intuitions and how we can tap into the benefits of slow thinking, contrasting the two-system view of the mind with the standard model of the rational economic agent.
Kahneman’s singularly influential work has transformed cognitive psychology and launched the new fields of behavioral economics and happiness studies. In this path-breaking book, Kahneman shows how the mind works, and offers practical and enlightening insights into how choices are made in both our business and personal lives – and how we can guard against the mental glitches that often get us into trouble.
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Amazonian –
Amazingly paced book! Must have
Book Shark –
Thinking, Fast and Slow by Daniel Kahneman
“Thinking, Fast and Slow” is a fascinating look at how the mind works. Drawing on knowledge acquired from years of research in cognitive and social psychology, Nobel Prize Winner, Dr. Daniel Kahneman delivers his magnum opus on Behavioral Economics. This excellent book focuses on the three key sets of distinctions: between the automatic System 1 and the effortful System 2, between the conception of agents in classical economics and in behavioral economics, and between the experiencing and the remembering selves. This enlightening 512-page book is composed of thirty-eight chapters and broken out by the following five Parts: Part I. Two Systems, Part II. Heuristics and Biases, Part III. Overconfidence, Part IV. Choices, and Part V. Two Selves.
Positives:
1. Award-winning research. A masterpiece of behavioral economics knowledge. Overall accessible.
2. Fascinating topic in the hands of a master. How the mind works. The biases of intuition, judgment, and decision making.
3. Excellent format. Each chapter is well laid out and ends with a Speaking of section that summarizes the content via quotes.
4. A great job of defining and summarizing new terms. “In summary, most of what you (your System 2) think and do originates in your System 1, but System 2 takes over when things get difficult, and it normally has the last word.”
5. Supports findings with countless research. Provides many accessible and practical examples that help readers understand the insightful conclusions.
6. A great job of letting us what we know and to what degree. “It is now a well-established proposition that both self-control and cognitive effort are forms of mental work.”
7. You are guaranteed to learn something. Countless tidbits of knowledge throughout this insightful book and how it applies to the read world. “The best possible account of the data provides bad news: tired and hungry judges tend to fall back on the easier default position of denying requests for parole. Both fatigue and hunger probably play a role.”
8. The differences of Systems 1 and 2 and how they function with one another. “System 1 is impulsive and intuitive; System 2 is capable of reasoning, and it is cautious, but at least for some people it is also lazy.” “System 1 is gullible and biased to believe, System 2 is in charge of doubting and unbelieving, but System 2 is sometimes busy, and often lazy.”
9. Important recurring concepts like WYSIATI (What You See Is All There IS). “You surely understand in principle that worthless information should not be treated differently from a complete lack of information, but WYSIATI makes it very difficult to apply that principle.”
10. Understanding heuristics and biases. “The strong bias toward believing that small samples closely resemble the population from which they are drawn is also part of a larger story: we are prone to exaggerate the consistency and coherence of what we see. The exaggerated faith of researchers in what can be learned from a few observations is closely related to the halo effect, the sense we often get that we know and understand a person about whom we actually know very little. System 1 runs ahead of the facts in constructing a rich image on the basis of scraps of evidence. A machine for jumping to conclusions will act as if it believed in the law of small numbers. More generally, it will produce a representation of reality that makes too much sense.”
11. Paradoxical results for your enjoyment. “People are less confident in a choice when they are asked to produce more arguments to support it.”
12. Understanding how our brains work, “The world in our heads is not a precise replica of reality; our expectations about the frequency of events are distorted by the prevalence and emotional intensity of the messages to which we are exposed.”
13. Wisdom. “‘Risk’ does not exist ‘out there,’ independent of our minds and culture, waiting to be measured. Human beings have invented the concept of “risk” to help them understand and cope with the dangers and uncertainties of life. Although these dangers are real, there is no such thing as ‘real risk’ or ‘objective risk.'” Bonus. “To be useful, your beliefs should be constrained by the logic of probability.”
14. You will learn lessons that are practical. “Rewards for improved performance work better than punishment of mistakes.”
15. An interesting look at overconfidence. “Our comforting conviction that the world makes sense rests on a secure foundation: our almost unlimited ability to ignore our ignorance.” “Remember this rule: intuition cannot be trusted in the absence of stable regularities in the environment.”
16. Have you ever had to plan anything in your life? Meet the planning fallacy. “This may be considered the single most important piece of advice regarding how to increase accuracy in forecasting through improved methods. Using such distributional information from other ventures similar to that being forecasted is called taking an “outside view” and is the cure to the planning fallacy.”
17. A very interesting look at Econs and Humans. “Economists adopted expected utility theory in a dual role: as a logic that prescribes how decisions should be made, and as a description of how Econs make choices.”
18. Prospect theory explained. “The pain of losing $900 is more than 90% of the pain of losing $1,000. These two insights are the essence of prospect theory.”
19. Avoiding poor psychology. “The conclusion is straightforward: the decision weights that people assign to outcomes are not identical to the probabilities of these outcomes, contrary to the expectation principle. Improbable outcomes are overweighted—this is the possibility effect. Outcomes that are almost certain are underweighted relative to actual certainty. The expectation principle, by which values are weighted by their probability, is poor psychology.”
20. Great stuff on well being.
21. An excellent Conclusions chapter that ties the book up comprehensively.
Negatives:
1. Notes not linked up.
2. No formal separate bibliography.
3. Requires an investment of time. Thankfully, the book is worthy of your time.
4. The book overall is very well-written and accessible but some topics are challenging.
5. Wanted more clarification on how Bayes’s rules work.
In summary, a masterpiece on behavioral economics. Dr. Kahneman shares his years of research and provides readers with an education on how the mind works. It requires an investment of your time but it so well worth it. A tremendous Kindle value don’t hesitate to get this book. I highly recommend it!
Further suggestions: “Subliminal” by Leonard Mlodinow, “Incognito” by David Eagleman, “Switch” by Chip and Dan Heath, “Drive: The Surprising Truth about What Motivates Us” by Daniel H. Pink, “Blink” by Malcolm Gladwell, “The Power of Habit” by Charles Duhigg, “Quiet: The Power of Introverts in a World That Can’t T Stop Talking” by Susan Cain, “The Social Animal” by David Brooks, “Who’s In Charge” Michael S. Gazzaniga, “The Belief Instinct” by Jesse Bering, “50 Popular Beliefs that People Think Are True” by Guy P. Harrison, “The Believing Brain” by Michael Shermer, “Predictably Irrational” by Dan Ariely, “Are You Sure?” by Ginger Campbell, and “Mistakes Were Made But Not By Me” by Carol Tavris.
Marco –
not bad
John B. Robb –
This is an invaluable book that every person who considers him/herself educated should read – even study. Indeed, it is a scandal that mastering the material in this book isn’t considered an essential component of a high school education.
The author was awarded the Nobel in Economics for his work on what he calls decision theory, or the study of the actual workings of the typical human mind in the evaluation of choices, and the book itself presents the findings of many decades of psychological studies that expose the endemic fallacious thinking that we are all prone to, more or less. The lives of all of us could be improved by lessons learned from this book, not just individually, through self-education, but also on the large scale, if the large scale decision makers in this society in and out of government could be educated as well. In fact, it is largely because these large scale decision makers are no better than the rest of us in their ability to think straight and plan well, that society is as screwed up as it is, and that essentially all of its institutions are diseased and corrupt. The lesson there, however, is that decision making needs to be returned to the individual – that the powers that be need to be deprived of their powers to mess up the lives of the rest of us.
Despite the many virtues of this book – it is well-written, engaging, and its academic author reasonably restrained in the tendencies of his tribe to blathering in abstractions – it is a bit disappointing at the very end, when the author proves unable to synthesize all his material into a comprehensive theory of the thinking, and deciding mind – or at least into a set of carefully formulated principles that provide a succinct summary of the principles of human thinking, both typical and ideal.
Kahneman uses throughout a construct that implies that we are of two minds: System 1 is the fast-thinking, intuitive, mind, prone to jumping to conclusions; while System 2 is the slow-thinking analytical mind, that is brought into play, if at all, only to critique and validate the conclusions that we have jumped to. System 2, we are told, is lazy, and if often just rubber-stamps the snap judgements of System 1, or if pressed, rationalize them, instead of digging critically as well as constructively into the complex underpinnings of the material and sorting them out as best it can.
Instead of working this construct up into a comprehensive model of mind, K merely uses it as a loose schema for representing the kinds of thinking thought to underlie the results derived from the many psychological experiments that he here reports on. This neglect raises the question at many points as to just how well the experimenters have really understood the thinking that underlies the behavior of their subjects. But this, I am sorry to say, is a weakness of virtually all psychological experimentation, which is still just beginning to come to grips with the complexity and varieties of cognitive style of the human mind.
What Kahneman does do, however, is to provide convenient labels for many characteristic types of fallacious thinking, although again, the exact role of System 1 and System 2, and their interaction, is inadequately explicated. Instead, towards the end of the book, another, somehow related, but nominally independent theme is developed: the disturbing divergence between the experiencing self and the remembering self. This is in itself such an interesting and important idea, so pregnant with both psychological and philosophical implications, that it could have used a fuller treatment, and again, there is no coherent integration of this theme with the System1/System2 construct.
The idea here is that our present experience includes our most salient memories of previous experiences – for example the highlights of past vacations, or out of the ordinary episodes of our lives. Somewhat surprisingly, though, what we remember is a systematic distortion of the actual experience. Our memory collapse the duration of various aspects of our experience and highlights only the peak moment(s) and the final moments, perhaps with a nod toward the initial presentation of the experience. And this systematic distortion of the actual experience in all its fullness, can lead us to make irrational and detrimental choices in deciding whether to repeat the experience in the future. Thus, a bad ending to an otherwise wonderful experience can spoil the whole thing for us in memory, and cause us to avoid similar experiences in the future, even though by simply anticipating and improving the ending we might make the whole experience as wonderful as most of the original was. Likewise, subjects in experiments involving either long durations of pain, or much shorter episodes of pain with a higher peak, were consistently more averse to the latter rather than the former – or they overemphasized the way these presentations ended as a factor in judging them as a whole.
These are important findings that go the heart of the question of how best to steer our course through life, but here is the only attempt at integration of this remembering vs experiencing self theme, and the System 1/ System 2 theme that I find in the final chapter, Conclusions:
“The remembering self is a construction of System 2. However, the distinctive features of the way it evaluates episodes and lives are characteristics of our memory. Duration neglect and the peak-end rule originate in System 1 and do not necessarily conform to the values of System 2”.
There is more here, but it merely repeats the earlier analysis of the relevant experiments.
No evidence is presented as to the respective roles of System 1 and System 2 with respect to the laying down of memory, to its decay, or with respect to a recently discovered phenomenon: memory reconsolidation. Nor is any account taken of what has been learned, much of it in recent decades, about the interactions between short, intermediate, and long term memory, or any of the radically different modalities of episodic (picture strip) and semantic (organized, abstracted) memory. Consequently, Kahneman’s vague reference to the “characteristics of our memory” is essentially a ducking of the question of what the remembering self is. I think that at best, the finding of the replacement of the original experience by an abstract predicated on peak-end bias is an exaggeration, though there’s no question that “duration neglect” is in operation, and a good thing too, unless K means by “duration neglect” not just the stretches of minimally changing experience (which have little memorial significance anyway, but even the consciousness of how long the edited out parts were (this distinction was never made in Chapter 35, where the theme of the remembering vs. the experiencing self is first taken up).
Speaking for myself anyway, I have a much fuller memory of my most important experiences than Kahneman seems to indicate. Naturally the highlights are featured, but what I tend to remember are representative moments that I took conscious note of at the time, as though making a psychological photograph. I remember these moments also because I bring them up from time to time when I’m thinking about that experience. For example, I’m thinking now of a long distance race I did in 2014 (a very tough half-marathon, with almost 2000′ of climbing). I remember: the beginning section as well as the ending section; each of the rest stations; certain moments of each of the major hill climbs; at least one moment from each of the descents; and a number of other happenings during the almost three hour event. For me in this race, the peak experience occurred right at the end, when I all but collapsed, yet managed to stagger to the finish line. That ending does naturally come first to mind as a representation of the entire event, but it is merely the culmination of a long and memorable experience with many moving parts, and if I want, my remembering self can still conjure up many other moments, as well as a clear sense of the duration of each of the sections of the course.
Over many years most memories fade, and it’s certainly reasonable to suppose that in extreme cases, where they are all but forgotten, only a single representative moment might be retained. However, if we can say anything for sure about memory it is this: we remember what we continue to think of and to use, and we do that precisely because this material has continuing importance to us. The recent research in memory reconsolidation tells us that when we do bring up memories only occasionally, we reinforce them, but we also edit and modify them to reflect our current perspectives, and sometimes we conflate them with other seemingly related knowledge that we’ve accrued. We are thus prone to distort our own original memories over time, in some cases significantly, but we may still retain much more of the original experience that just the peak and the end, and if we do reinterpret our memories in the light of more recent experience, that’s not necessarily a bad thing. In any case, the memories that occur in the present may be said to be a joint project of the experiencing as well as the remembering self, which rather erodes the whole Two Selves concept that Kahneman first posited.
I do not mean to criticize the valuable evidential material in the book, and in general I think that Kahneman, and the other researchers and thinkers whom he quotes, have drawn reasonable conclusions from the experiments they report on. But ultimately, the book, as well as the fields both of psychology and brain neurophysiology suffer both in coherence and meaningfulness because they aren’t predicated on a more comprehensive theory of mind. It’s the old story in science, first formulated by Karl Popper in his 1935 book, The Logic of Scientific Discovery: unless we approach the data with an hypothesis in mind – unless, indeed, we seek out data likely to be relevant to a particular hypothesis, we’re not going to make any enduring progress in understanding that data in a comprehensively meaningful way, let alone be able to make falsifiable deductions about elements of the system for which we have at present no data. Popper’s quotation from the German philosopher Novalis comes to mind – “Theories are nets: only he who casts will catch.”
In the final, “Conclusions”, chapter, K caricatures the abstract economists’ model of homo econimicus (man as a rational optimizer of his utility), contrasting it with the more sophisticated and experientially grounded model of psychologists such as himself. In keeping with his penchant for framing (or spinning) his presentation favorably to his own perspective, he calls the economists’ model “Econ”, and his own “Human”. In fact, “Econ” was never meant to represent man in all his humanity, and Kahneman’s Economics Nobel, recognizing his decision theory contributions to economics, was preceded by many other Nobels to economists who had been expanding the concept of the economic actor into psychological territory for decades. In fact, the essential view of the Austrian economists dating from the 1920s (von Mises, Hayek, and their predecessors) is that economics is in the end wholly dependent on psychology because it is predicated on the unknowable, unquantifiable subjective value preferences of humans, acting individually and in concert. Cautious generalizations can perhaps be made about human psychology in general, but I think that on the whole the Austrians have been a bit wiser in their restraint than Kahneman and his many, and mostly lesser, pop psychology compatriots have proved in their often sensationalist extrapolations from lab experiments.
Here is an example, I think of Kahneman over-reaching. He speaks repeatedly of the laziness of System 2, and its foot dragging reluctance to get involved in the thinking process, but in the real world, snap judgements are good enough for immediate purposes, and the better part of rationality may be to go with one’s fast thinking intuitive System 1: indeed, Kahneman acknowledges this himself in passing, both in his beginning and his ending, but this isn’t enough to counterbalance the overall argument of his book.
Kahneman also, in his final chapter, speculatively extends his findings into the political sphere (his liberal Democratic Party bias has already been made clear by gratuitous and somewhat annoying usage of salient modern politicians in examples), but not to any great effect.
Kahneman advocates “libertarian paternalism” consisting of government programs that people are enrolled in automatically unless they opt out by checking a box on forms – thus manipulating the presentation frame so as to trick them into signing on to what some government bureaucrat thinks is good for them. Of course, as long as people are allowed to opt out, one can’t call the choice here anything but libertarian, though to be consistent with their socialist mores, liberals like Kahneman really ought to object to such practices as being manipulative advertising. This libertarian finds nothing objectionable about the way such a choice might be presented – after all, the average man, if adequately educated and prepared for the real world, should have no trouble seeing through the frames. What is not only paternalistic, but totalitarian in spirit, is the extortion of taxpayer money to finance such government programs in the first place.
Somehow, it fails to occur to Kahneman that most people could be trained to recognize and avoid fallacious thinking during all those years of enforced and mostly wasteful schooling – just as most people can be trained to recognize the Müller-Lyer illusion for what it is. IMO every high school graduate should be required to learn to recognize and avoid the paradigm cases of fallacious thinking presented in Thinking, Fast, and Slow, and this material could profitably be expanded to cover the many rhetorical tricks used by the manipulators and spinmeisters, both public and private, who batten off of our society. With such training in critical thinking, and with the reintroduction of enough honest and rigor to begin high school graduates up to the 12th grade reading and writing proficiencies that were routine in the 1950s, the need for college as life preparation would be altogether obviated, and most young people could avoid wasting their early years in college, piling up debt, and get on with their work and/or their self-education, as they chose.
Andrzej Jablonski –
Bardzo ciekawa.
José Bonelo –
A book to own and read from beginning to end
Amir Saman Fard Hajian –
It’s absolutely fantastic book for everyone who wants to learn new things about conscious and mind.