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No evidence for rule-based processing in the inverse base-rate effect
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Lamberts, Koen and Kent, Christopher. (2007) No evidence for rule-based processing in the inverse base-rate effect. MEMORY & COGNITION, 35 (8). pp. 2097-2105. ISSN 0090-502X
Full text not available from this repository.Abstract
The inverse base-rate effect in categorization (Medin & Edelson, 1988) arises when participants assign an ambiguous stimulus to a category that occurred less frequently than an alternative category, against the principles of Bayesian decision making. In the experiment reported in this article, rule-based and attention-shiffing accounts of the inverse base-rate effect were evaluated. Participants completed a categorization task, known to produce the inverse base-rate effect, under standard conditions, under time pressure, and with a secondary task load. The inverse base-rate effect persisted under severe time pressure and under secondary task load. The results provided no evidence for the role of rule-based processes in producing the inverse base-rate effect. The data from the experiment are compatible with an attention-shifting account.
| Item Type: | Journal Article |
|---|---|
| Subjects: | B Philosophy. Psychology. Religion > BF Psychology |
| Journal or Publication Title: | MEMORY & COGNITION |
| Publisher: | PSYCHONOMIC SOC INC |
| ISSN: | 0090-502X |
| Date: | December 2007 |
| Volume: | 35 |
| Number: | 8 |
| Number of Pages: | 9 |
| Page Range: | pp. 2097-2105 |
| Publication Status: | Published |
| URI: | http://wrap.warwick.ac.uk/id/eprint/30748 |
Data sourced from Thomson Reuters' Web of Knowledge
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