Performance in instrumental learning as a joint function of delay of reinforcement and time of deprivation.
- 1 January 1954
- journal article
- research article
- Published by American Psychological Association (APA) in Journal of Experimental Psychology
- Vol. 47 (4) , 248-250
- https://doi.org/10.1037/h0061917
Abstract
40 male hooded rats were administered 104 reinforced trials in a simple instrumental learning situation. 4 groups each received one of 2 levels of the following experimental variables: delay of reinforcement (1 sec. vs. 5 sec.) and time of food deprivation (22 hr. vs. 4 hr.). Short-delay groups ran faster than long-delay groups, and high-drive groups ran faster than low-drive groups. No significant interaction was found between the effects of delay of reinforcement and time of deprivation, a result contrary to Hull''s assumption that TG and TD combine multiplicatively, but consistent with Spence''s that these factors combine additively.Keywords
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