Judgment under Uncertainty: Heuristics and Biases 1st Edition by Daniel Kahneman (PDF)

Description

The thirty-five chapters in this book describe various judgmental heuristics and the biases they produce, not only in laboratory experiments but in important social, medical, and political situations as well. Individual chapters discuss the representativeness and availability heuristics, problems in judging covariation and control, overconfidence, multistage inference, social perception, medical diagnosis, risk perception, and methods for correcting and improving judgments under uncertainty. About half of the chapters are edited versions of classic articles; the remaining chapters are newly written for this book. Most review multiple studies or entire subareas of research and application rather than describing single experimental studies. This book will be useful to a wide range of students and researchers, as well as to decision makers seeking to gain insight into their judgments and to improve them.

User’s Reviews

Reviews from Amazon users which were colected at the time this book was published on the website:

⭐The essays contained in this book show convincingly that the standard decision theoretic model taught world wide since the mid 1940’s,the subjective expected utility model based on the subjective approach to probability of Ramsey,De Finetti,and Savage,is not supported by the experimental evidence.The essays successfully show how the use of Prospect Theory accounts for the underweighting(subadditive-subproportional) and overweighting(superadditive-superproportional)of decision weights(non linear “probabilities”).Three basic judgmental heuristic operations are preformed by decision makers in the real world.These operations are intuitive and based on the perceptions of the decision maker.The first heuristic that decision makers use in making probability evaluations is called representativeness.Judgments of probability are based on what is perceived as similar.The second heuristic is the availability heuristic.It,like the third heuristic,specifies that decision makers concentrate only on that evidence,upon which the probabilities will be estimated,that is most easily obtained or is immediately available.The third heuristic is called the anchoring heuristic.Decision makers use only that evidence that comes first.Tversky and Kahneman,as well as all of the other essay authors,argue that their experimental evidence demonstrates or shows that decision makers do not understand the mathematical laws of probability(additivity of probabilities,addition principle,multiplication principle,marginal probability,conditional probability,joint probability).They also do not understand basic statistical concepts(regression to the mean of a probability distribution). In 1921,in his A Treatise on Probability(TP),J M Keynes pointed out that the purely mathematical conception of probability was a very small subset of what he called the logical theory of probability.In order to apply the purely mathematical laws of probability correctly,a decision maker had to have a complete sample space of all possible outcomes specified in advance.An equivalent assumption is that the decision maker knows for certain what the particular probability distribution is.Secondly,probability preferences would have to be specified by a complete order that was linear or proportional.Any decision situation that did not satisfy these conditions had a weight of evidence less than one.Keynes specified a variable,w,called the weight of the evidence,that measured the completeness of the relevant,potential evidence that was available to the decision maker.It was defined on the unit interval between 0 and 1,just like Ellsberg’s rho variable that would serve as a measure of the ambiguity of the evidence.The existence of ambiguity automaticaly will lead to violations of the purely mathematical laws of probability.Contrary to Kahneman and Tversky,Ellsberg,like Keynes before him,argued that these calculations are not erroneous and the decision makers are not irrational or biased.The claims made by Tversky, Kahneman and their many followers(Shiller,for example),that the subjects in their experiments are probabilistically and statistically illiterate,makes no sense because the problems that are presented to the experimental subjects do not allow the subjects to unambiguously define a unique probability distribution or a complete sample space of all possible outcomes(some examples are the blue-green taxi cab problem,the rare Asian disease problem,the battlefield problem,the Linda-bankteller problem,and the lawyer-engineer problem).Let us now turn to the representativeness heuristic.The representativeness heuristic turns out to be none other than Keynes’s degree of similarity or likeness or resemblance discussed by Keynes in chapter 3 and Part III of the TP.The anchoring and availability heuristics are identical to the statement that the weight of the evidence is less than 1 for a real world decision maker.Keynes showed that decision makers would usually be able to use interval estimates(upper-lower probabilities) only.You automatically will violate the mathematical laws of probability,which only hold in the limiting case where w=1,given linear probability preferences.Keynes also showed this in his examples of his conventional coefficient of weight and risk,c.The answers obtained when one applies the c coefficient will be sub and super additive.Keynes ,however,would argue that these are not biases or errors,but correct calculations obtained with incomplete information.The vast majority of decision makers are attempting to reason probabilistically without the benefit of knowing a unique probability distribution,a complete sample space,or being able to specify a complete order over all outcomes.They are rational.Tversky and Kahneman are requiring “SUPERRATIONALITY”.Every calculation of a probability estimate that does not have a weight of 1 or violates Carnap’s rule of total evidence will violate the mathematical laws of probability.L J Cohen,repeating Keynes’s argument,spent 20 years trying to get this point across to Kahneman and Tversky in the journal Brain and Behavioral Science(1975-1994) .Tversky’s support theory is a belated attempt to remedy their omission,but it has not been successfuly integrated into Prospect theory(1979)or Cumulative Prospect theory(1992),where the weighting function is still a function of a single variable representing probability,although additional parameters have been incorporated into the model.One could argue that it is Tversky and Kahneman who are irrationally insisting that decision makers use the mathematical laws of probability in situations where those laws are not applicable.

⭐I purchased and read this about five years ago. It is probably the most influential book I have ever read. It spawned an interest in a number of related books and on thinking in general. It is scholarly articles, but I found it to be quite readable–just a lot of detail. I agree with the reviewer who wished for a version aimed toward high school students.

⭐I was excited to get my hands on the book because of the content but was very disappointed by the super low print quality! Never seen such a poor print from Cambridge University Press. Looks like one of those print-after-order cheap prints!

⭐If you read only one book on behavioral decision making, this is it. Thinking Fast and Slow is the abbreviated version. This is the original.

⭐Good book.

⭐In this volume Daniel Kahneman and the late Amos Tversky gathered together 35 authoritative papers that demonstrate through well-designed experiments and through observation the hard-wired biases and heuristics that influence (or define) the way humans go about making choices when the outcomes are from certain.There are a raft of biases, and just one example is the Anchoring Effect. If you asked 100 people to guess the population of Turkey, what you’d probably get is a wide range of answers. If you broke the question into two parts: first by asking whether the population is higher or lower than 14 million – and then by asking the respondents to guess the population – you’d find that the answers would gravitate around our arbitrary 14 million mark.The Heuristics we use to weigh up and evaluate data provide a second family of biases. Here, the human brain is shown to go about problem evaluation along certain pathways and shortcuts, and the route we take tends to define where we’ll emerge. By way of example, we tend to give undue weight to highly retrievable or available data: and treat this as representative. So in the wake of Katrina, you or I would be fairly excused for judging 2005 as a particularly bad year for global weather-related disasters. In probability, 2005 was not particularly unusual on a global scale.This volume is an important collection of papers, with relevance to anyone working in fields where decision-making is at the core. You might be in market research, medicine, social sciences, economics or other fields: this book contains material of direct relevance to your work. The conclusions from the papers range from disturbing (the judgments of professional medical and psychological experts, we see, can be alarmingly biased!) through to illuminating.Just as gamblers feel sure that after throwing six heads in a row, the coin is “overdue” to throw tails (as if coins have a memory) even professionals have an amazing propensity to run roughshod over their own understanding of probability.This book makes for serious reading and delivers good value. It makes an absorbing, more focused twin-volume with CHOICES, VALUES & FRAMES which I’d say, however, is a more important book that encompasses much of the thinking here. I’ve take a star off here because some papers are written not in plain English but rather in densely mathematical language. I work in statistics, but our English language is quite adequate for the task of telling the story, isn’t it? For this reason readers of this volume will appreciate the incredibly readable, yet hugely informative, volume “The Psychology of Judgment and Decision Making” by Scott Plous. I refer frequently to both these volumes and find both extremely useful.

⭐That was a seminal work. I was living under a stone and this book changed my mind. But maybe it was my problem. The book has been around for decades, but never encountered its wisdom.

⭐This is a great book about the mental and cognitive processes which guide us through our life.It demonstrate the heuristics by different experiments which makes it more believable.However, this is the academic version of this topic, so if someone wants to read about it in an easier language, I recommend reading “Thinking, fast and slow” by Daniel Kahneman.

⭐Awesome

⭐great book

⭐NO PROBLEM WITH THIS BOOK.

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