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Direct linkBeck, Hall P.; Levinson, Sharman; Irons, Gary – American Psychologist, 2009
In 1920, John Watson and Rosalie Rayner claimed to have conditioned a baby boy, Albert, to fear a laboratory rat. In subsequent tests, they reported that the child's fear generalized to other furry objects. After the last testing session, Albert disappeared, creating one of the greatest mysteries in the history of psychology. This article…
Descriptors: Fear, Child Psychology, Emotional Response, Conditioning
Crone, Eveline A.; Jennings, J. Richard; Van der Molen, Maurits W. – Developmental Psychology, 2004
Heart rate was recorded from 3 age groups (8-10, 12, and 20-26 years) while they performed a probabilistic learning task. Stimuli had to be sorted by pressing a left versus right key, followed by positive or negative feedback. Adult heart rate slowed following negative feedback when stimuli were consistently mapped onto the left or right key…
Descriptors: Stimuli, Metabolism, Feedback, Age Differences
