Santi, AN; Raposo, A; Marques, JF; (2015) Superordinate and Domain Category Structure: Evidence from Typicality Ratings. Revista Portuguesa de Psicologia , 44 pp. 81-108. 10.21631/rpp44_81.

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Abstract

Concept typicality demonstrates the graded nature of category membership. At the most general (domain) level, however, typicality has not been studied. The domain level plays a critical role in theoretical accounts of the neurological implementation of semantic categories, with studies being divided along the correct domain classification: living/nonliving vs. animate/inanimate. We collected typicality ratings to further understand: (1) the relation between categorization at the domain and superordinate levels and (2) the internal organization of the domain level. Ten superordinate categories across 280 items were studied. The domain level was distinguished from the superordinate level along multiple dimensions, including typicality being unrelated to feature sharedness, but related to prevalence of feature types. The animate/inanimate distinction was supported by a simpler feature type analysis and a more reliable superordinate categorization. We argue that domain categorization relies on processes that are largely independent from those at the more specific, superordinate, level and occurs along the animacy dimension.

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