Quotation: Kahneman on Contingencies - PMC
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J Exp Anal Behav<br>. 2012 Mar;97(2):182. doi: 10.1901/jeab.2012.97-182
Quotation: Kahneman on Contingencies<br>Copyright and License information
Society for the Experimental Analysis of Behavior, Inc.
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PMCID: PMC3292229
I had the most satisfying Eureka experience of my career while attempting to teach flight instructors that praise is more effective than punishment for promoting skill-learning. When I had finished my enthusiastic speech, one of the most seasoned instructors in the audience raised his hand and made his own short speech, which began by conceding that positive reinforcement might be good for the birds, but went on to deny that it was optimal for flight cadets. He said, “On many occasions I have praised flight cadets for clean execution of some aerobatic maneuver, and in general when they try it again, they do worse. On the other hand, I have often screamed at cadets for bad execution, and in general they do better the next time. So please don't tell us that reinforcement works and punishment does not, because the opposite is the case.” This was a joyous moment, in which I understood an important truth about the world: because we tend to reward others when they do well and punish them when they do badly, and because there is regression to the mean, it is part of the human condition that we are statistically punished for rewarding others and rewarded for punishing them. I immediately arranged a demonstration in which each participant tossed two coins at a target behind his back, without any feedback. We measured the distances from the target and could see that those who had done best the first time had mostly deteriorated on their second try, and vice versa. But I knew that this demonstration would not undo the effects of lifelong exposure to a perverse contingency.
- Daniel Kahneman; From Les Prix Nobel. The Nobel Prizes 2002, Editor Tore Frängsmyr, [Nobel Foundation], Stockholm, 2003.
Contributed by: Anthony DeFulio, Ph.D.
Associate Director
Center for Learning and Health
Department of Psychiatry and Behavioral Sciences
Johns Hopkins University School of Medicine
adefuli1@jhmi.edu
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