Document Detail

Experimental control of nodality via equal presentations of conditional discriminations in different equivalence protocols under speed and no-speed conditions.
MedLine Citation:
PMID:  16602379     Owner:  NLM     Status:  MEDLINE    
A within-participant comparison of simple-to-complex, complex-to-simple, and simultaneous protocols was conducted establishing different sets of three 7-member equivalence classes for 4 undergraduate students. The protocols were implemented under either accuracy-only or accuracy-plus-speed conditions while keeping number of presentations of training and testing trials equal. The results partially support previous reports of differential effects on acquisition, with participants completing more blocks in training under the simultaneous than the complex-to-simple and the simple-to-complex protocols. Across the protocols, however, the number of trials completed to criterion did not vary systematically. More important, response speed and accuracy did not decrease as a function of nodal number, with or without the speed contingency, or under any protocol. The latter results challenge the generality of previous reports of the nodality effect and the notion of "relatedness" of equivalence-class members, and support a reinforcement-contingency, instead of a structural, perspective on equivalence-class formation.
Abdulrazaq A Imam
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of the experimental analysis of behavior     Volume:  85     ISSN:  0022-5002     ISO Abbreviation:  J Exp Anal Behav     Publication Date:  2006 Jan 
Date Detail:
Created Date:  2006-04-10     Completed Date:  2006-09-08     Revised Date:  2009-11-18    
Medline Journal Info:
Nlm Unique ID:  0203727     Medline TA:  J Exp Anal Behav     Country:  United States    
Other Details:
Languages:  eng     Pagination:  107-24     Citation Subset:  IM    
Department of Psychology, John Carroll University, University Heights, Ohio 44118, USA.
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MeSH Terms
Association Learning
Choice Behavior*
Conditioning, Operant*
Discrimination Learning
Pattern Recognition, Visual
Physical Exertion
Reaction Time*
Reinforcement Schedule*

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