Journal
MEMORY & COGNITION
Volume 30, Issue 1, Pages 107-118Publisher
PSYCHONOMIC SOC INC
DOI: 10.3758/BF03195270
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Funding
- NATIONAL INSTITUTE OF MENTAL HEALTH [R01MH057737] Funding Source: NIH RePORTER
- NIMH NIH HHS [R01 MH57737] Funding Source: Medline
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In the present study, we examine what types of feature correlations are salient in our conceptual representations. It was hypothesized that of all possible feature pairs, those that are explicitly recognized as correlated (i.e., explicit pairs) and affect typicality judgments are the ones that are more likely theory based than are those that are not explicitly recognized (i.e., implicit pairs). Real-world categories and their properties, taken from Malt and Smith (1984), were examined. We found that explicit pairs had a greater number of asymmetric dependency relations (i.e., one feature depends on the other feature, but not vice versa) and stronger dependency relations than did implicit pairs, which were statistically correlated in the environment but were not recognized as such. In addition, people more often provided specific relation labels for explicit pairs than for implicit pairs; these labels were most often causal relations. Finally, typicality judgments were more affected when explicit correlations were broken than when implicit correlations were broken. It is concluded that in natural categories, feature correlations that are explicitly represented and affect typicality judgments are the ones about which people have theories.
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