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ERIC Number: EJ991422
Record Type: Journal
Publication Date: 2012-May
Pages: 20
Abstractor: As Provided
ISSN: ISSN-0278-7393
Feature-Based versus Category-Based Induction with Uncertain Categories
Griffiths, Oren; Hayes, Brett K.; Newell, Ben R.
Journal of Experimental Psychology: Learning, Memory, and Cognition, v38 n3 p576-595 May 2012
Previous research has suggested that when feature inferences have to be made about an instance whose category membership is uncertain, feature-based inductive reasoning is used to the exclusion of category-based induction. These results contrast with the observation that people can and do use category-based induction when category membership is known. The present experiments examined the conditions that drive feature-based and category-based strategies in induction under category uncertainty. Specifically, 2 experiments investigated whether reliance on feature-based inductive strategies is a product of the lack of coherence in the categories used in previous research or is due to the use of a decision-only induction procedure. Experiment 1 found that feature-based reasoning remained the preferred strategy even when categories with relatively high internal coherence were used. Experiment 2 found a shift toward category-based reasoning when participants were trained to classify category members prior to feature induction. Together, these results suggest that an appropriate conceptual representation must be formed through experience with a category before it is likely to be used as a basis for feature induction. (Contains 9 figures, 2 tables and 1 footnote.)
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Publication Type: Journal Articles; Reports - Research
Education Level: Higher Education; Postsecondary Education
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Grant or Contract Numbers: N/A