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ERIC Number: EJ1055898
Record Type: Journal
Publication Date: 2013-May
Pages: 20
Abstractor: As Provided
Reference Count: 48
ISBN: N/A
ISSN: ISSN-0278-7393
Logical Rules and the Classification of Integral-Dimension Stimuli
Little, Daniel R.; Nosofsky, Robert M.; Donkin, Christopher; Denton, Stephen E.
Journal of Experimental Psychology: Learning, Memory, and Cognition, v39 n3 p801-820 May 2013
A classic distinction in perceptual information processing is whether stimuli are composed of separable dimensions, which are highly analyzable, or integral dimensions, which are processed holistically. Previous tests of a set of logical-rule models of classification have shown that separable-dimension stimuli are processed serially if the dimensions are spatially separated and as a mixture of serial and parallel processes if the dimensions are spatially overlapping (Fific, Little, & Nosofsky, 2010; Little, Nosofsky, & Denton, 2011). In the current research, the logical-rule models are applied to predict response-time (RT) data from participants trained to classify integral-dimension color stimuli into rule-based categories. In dramatic contrast to the previous results for separable-dimension stimuli, analysis of the current data indicated that processing was best captured by a single-channel coactive model. The results converge with previous operations that suggest holistic processing of integral-dimension stimuli and demonstrate considerable generality for the application of the logical-rule models to predicting RT data from rule-based classification experiments.
American Psychological Association. Journals Department, 750 First Street NE, Washington, DC 20002. Tel: 800-374-2721; Tel: 202-336-5510; Fax: 202-336-5502; e-mail: order@apa.org; Web site: http://www.apa.org
Publication Type: Journal Articles; Reports - Research
Education Level: Higher Education; Postsecondary Education
Audience: N/A
Language: English
Sponsor: US Air Force (DOD)
Authoring Institution: N/A
Identifiers - Location: Australia; Indiana
Grant or Contract Numbers: FA9550-08-1-0486