Please use this identifier to cite or link to this item: https://doi.org/10.3758/s13423-011-0092-y
Title: Is more always better? Effects of semantic richness on lexical decision, speeded pronunciation, and semantic classification
Authors: Yap, M.J. 
Tan, S.E.
Pexman, P.M.
Hargreaves, I.S.
Issue Date: Aug-2011
Source: Yap, M.J., Tan, S.E., Pexman, P.M., Hargreaves, I.S. (2011-08). Is more always better? Effects of semantic richness on lexical decision, speeded pronunciation, and semantic classification. Psychonomic Bulletin and Review 18 (4) : 742-750. ScholarBank@NUS Repository. https://doi.org/10.3758/s13423-011-0092-y
Abstract: Evidence from large-scale studies (Pexman, Hargreaves, Siakaluk, Bodner, & Pope, 2008) suggests that semantic richness, a multidimensional construct reflecting the extent of variability in the information associated with a word's meaning, facilitates visual word recognition. Specifically, recognition is better for words that (1) have more semantic neighbors, (2) possess referents with more features, and (3) are associated with more contexts. The present study extends Pexman et al. (2008) by examining how two additional measures of semantic richness, number of senses and number of associates (Pexman, Hargreaves, Edwards, Henry, & Goodyear, 2007), influence lexical decision, speeded pronunciation, and semantic classification performance, after controlling for an array of lexical and semantic variables. We found that number of features and contexts consistently facilitated word recognition but that the effects of semantic neighborhood density and number of associates were less robust. Words with more senses also elicited faster lexical decisions but less accurate semantic classifications. These findings point to how the effects of different semantic dimensions are selectively and adaptively modulated by task-specific demands. © 2011 Psychonomic Society, Inc.
Source Title: Psychonomic Bulletin and Review
URI: http://scholarbank.nus.edu.sg/handle/10635/49907
ISSN: 10699384
DOI: 10.3758/s13423-011-0092-y
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