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PSYB45H3 (1,061)
Chapter 4

Behaviour Modficiation - Chapter 4 Book Notes

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University of Toronto Scarborough
Zachariah Campbell

4 Reinforcement Reinforcement: is the process in which behaviour is strengthened by the immediate consequence that reliably follows its occurrence When a behaviour is strengthened, it is more likely to occur again in the future Thorndike placed a hungry car in a cage and put food outside of the cage The cage was rigged so that a door would open if the cat hit a lever with its paw Eventually, the cat accidently hit the lever, got out of the cage, and ate the food Each time the cat was placed in the cage, it took less time for the cat to hit the lever Over time, the cat hit the lever with its paw as soon as it was placed in the cage Thorndike called this phenomenon the law of effect Defining Reinforcement When a behaviour results in a favourable outcome, that behaviour is more likely to be repeated in the future Skinner emphasized the role of reinforcement in determining numerous human behaviours May naturally occur, due to day-to-day interactions with our social and physical environment May be planned as part of a behaviour modification program Reinforcement is defined as the occurrence of a particular behaviour, followed by an immediate consequence that results in the strengthening of the behaviour Operant behaviour: a behaviour that is strengthened through the process of reinforcement Acts on the environment to produce a consequence Occurs again in the future as a result of its immediate consequence The consequence that strengthens the operant behaviour is called a reinforcer www.notesolution.com
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