Context theory of classification learning

Douglas L. Medin*, Marguerite M. Schaffer

*Corresponding author for this work

Research output: Contribution to journalArticle

1659 Scopus citations

Abstract

Most theories dealing with ill-defined concepts assume that performance is based on category level information or a mixture of category level and specific item information. A context theory of classification is described in which judgments are assumed to derive exclusively from stored exemplar information. The main idea is that a probe item acts as a retrieval cue to access information associated with stimuli similar to the probe. The predictions of the context theory are contrasted with those of a class of theories (including prototype theory) that assume that the information entering into judgments can be derived from an additive combination of information from component cue dimensions. Across 4 experiments with 128 paid Ss, using both geometric forms and schematic faces as stimuli, the context theory consistently gave a better account of the data. The relation of context theory to other theories and phenomena associated with ill-defined concepts is discussed in detail. (42 ref) (PsycINFO Database Record (c) 2006 APA, all rights reserved).

Original languageEnglish (US)
Pages (from-to)207-238
Number of pages32
JournalPsychological Review
Volume85
Issue number3
DOIs
StatePublished - May 1 1978

Keywords

  • test of context theory vs other theories of ill-defined concepts, classification learning, 17-30 yr olds

ASJC Scopus subject areas

  • Psychology(all)
  • History and Philosophy of Science

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