The partial-reinforcement effect sustained through blocks of continuous reinforcement in classical eyelid conditioning. | Zendy

Sally L. Perry | Zendy; John W. Moore | Zendy

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The partial-reinforcement effect sustained through blocks of continuous reinforcement in classical eyelid conditioning.

Author(s) -

Sally L. Perry,

John W. Moore

Publication year - 1965

Publication title -

journal of experimental psychology

Language(s) - English

Resource type - Journals

eISSN - 1946-1941

pISSN - 0022-1015

DOI - 10.1037/h0021587

Subject(s) - reinforcement , psychology , conditioning , eyelid , conditioned response , classical conditioning , cognitive psychology , social psychology , ophthalmology , medicine , mathematics , statistics

The partial-reinforcement effect (PRE) was demonstrated in human eyelid conditioning by 2 groups of 24 Ss each: one group received 80 acquisition trials under 50% random reinforcement. The second group received 100% reinforcement. Percentage CRs over 20 extinction trials was highest for the first group. A third group was shifted from 50% to 100% reinforcement after Trial 40 and then extinguished after Trial 80. Covariance adjustments of the extinction performance of this group for acquisition performance and for intertrial blink rate indicated that the PRE was sustained through the block of continuous reinforcement. A modification of the Humphreys-expectancy version of the discrimination hypothesis could predict this result. (PsycINFO Database Record (c) 2006 APA, all rights reserved)

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