Document Detail

Effects of partial reinforcement and time between reinforced trials on terminal response rate in pigeon autoshaping.
MedLine Citation:
PMID:  16413974     Owner:  NLM     Status:  MEDLINE    
Partial reinforcement often leads to asymptotically higher rates of responding and number of trials with a response than does continuous reinforcement in pigeon autoshaping. However, comparisons typically involve a partial reinforcement schedule that differs from the continuous reinforcement schedule in both time between reinforced trials and probability of reinforcement. Two experiments examined the relative contributions of these two manipulations to asymptotic response rate. Results suggest that the greater responding previously seen with partial reinforcement is primarily due to differential probability of reinforcement and not differential time between reinforced trials. Further, once established, differences in responding are resistant to a change in stimulus and contingency. Secondary response theories of autoshaped responding (theories that posit additional response-augmenting or response-attenuating mechanisms specific to partial or continuous reinforcement) cannot fully accommodate the current body of data. It is suggested that researchers who study pigeon autoshaping train animals on a common task prior to training them under different conditions.
Daniel A Gottlieb
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural     Date:  2006-01-04
Journal Detail:
Title:  Behavioural processes     Volume:  72     ISSN:  0376-6357     ISO Abbreviation:  Behav. Processes     Publication Date:  2006 Mar 
Date Detail:
Created Date:  2006-02-13     Completed Date:  2006-08-02     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  7703854     Medline TA:  Behav Processes     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  6-13     Citation Subset:  IM    
University of Pennsylvania, PA, USA.
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MeSH Terms
Appetitive Behavior*
Association Learning
Conditioning, Operant*
Extinction, Psychological
Memory, Short-Term
Probability Learning
Reinforcement Schedule*
Grant Support

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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