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Law of Effect

A psychological principle, proposed by Edward Thorndike, that responses which produce a pleasant or satisfying result in a certain situation are more likely to occur again in the situation. Likewise, responses with an unpleasant or annoying effect are less likely to be repeated.

Example: If a hungry rat receives a food pellet after turning in a circle, he or she is more likely to turn in a circle again.

Law of Effect
APA Reference
Grinnell, R. (2016). Law of Effect. Psych Central. Retrieved on November 15, 2018, from https://psychcentral.com/encyclopedia/law-of-effect/