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ISSN : 1226-9654

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Vol.8 No.2

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A study on the effect of stimulus types on categorization strategies

The Korean Journal of Cognitive and Biological Psychology / The Korean Journal of Cognitive and Biological Psychology, (P)1226-9654; (E)2733-466X
1996, v.8 no.2, pp.303-316
Kwanyong Rhee (Seoul National University)
Taeyeon Lee (Hanseo University)
Rhee, K., & Lee, T. (1996). A study on the effect of stimulus types on categorization strategies. The Korean Journal of Cognitive and Biological Psychology, 8(2), 303-316.

Abstract

As a hybrid view in which rule and similarity have influences on categorization has been prevalent, there were many attempts discovering factors on categorization strategies. This study planned to investigate relative effects of rule and similarity on categorization according to stimulus types. In Experiment 1, we presented stimulus to subjects in the verbal form or in the pictorial form, and then analyzed subjects' responses individually for examining effects of stimulus types on categorization. We found that transfer exemplars were categorized by rules in the verbal stimulus condition but by similarities among exemplars in the pictorial stimulus condition. In Experiment 2, we examined linearly separability had more influences on categorization in the verbal stimulus condition than in the pictorial stimulus condition. We found that subjects had learned a linearly separable category more rapidly in the verbal stimulus condition than in the pictorial stimulus condition. Therefore, categorization can't be explained by rule or similarity alone, and categorization strategies depend on experiment conditions such as stimulus types and task types.

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The Korean Journal of Cognitive and Biological Psychology

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