With Jackson Beatty, this psychologist discovered that when students listened to numbers they had to memorize, their pupils dilated, and contracted when reciting the digits.
With Jackson Beatty, this psychologist discovered that when students listened to numbers they had to memorize, their pupils dilated, and contracted when reciting the digits. Along with a common co-author he proposed a problem testing people's understanding of Bayes theorem called the cab problem, and explored the occurrence of people giving special weight to a particular probability called the certainty effect.  This lead to his most famous theory, which is expanded upon in Choice, Values, and Frames. It comes out of the Allais paradox and says that decisions have editing and evaluation phases. That theory supersedes expected utility theory and predicts that people will be risk seeking during losses.  For 10 points, name this man who with Amos Tversky proposed prospect theory.
With Jackson Beatty, this psychologist discovered that when students listened to numbers they had to memorize, their pupils dilated, and contracted when reciting the digits.
Daniel {Kahneman}