law of effect

noun

Medical Definition of law of effect

: a statement in psychology: in trial-and-error learning satisfying or successful behavior is repeated whereas unsatisfying or unsuccessful behavior is not

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“Law of effect.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/law%20of%20effect. Accessed 27 Jan. 2021.

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