Effects of semantic diversity and word frequency on single word processing

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dc.citation.firstpage1035en_US
dc.citation.issueNumber5en_US
dc.citation.journalTitleJournal of Experimental Psychology: Generalen_US
dc.citation.lastpage1068en_US
dc.citation.volumeNumber151en_US
dc.contributor.authorChapman, Curtiss A.en_US
dc.contributor.authorMartin, Randi C.en_US
dc.date.accessioned2022-07-25T17:06:26Zen_US
dc.date.available2022-07-25T17:06:26Zen_US
dc.date.issued2022en_US
dc.description.abstractSome research suggests that semantic diversity (SemD), a measure of the variability of contexts in which a word appears, plays an important role in language processing, determining the availability of word representations (e.g., Adelman et al., 2006) and causing task-specific benefits or detriments to performance (e.g., Hoffman & Woollams, 2015). Some researchers have claimed that word frequency has no effect once such diversity measures are taken into account (Adelman et al., 2006). Taking advantage of the power of five large-scale databases, we investigated the effects of SemD, word frequency, and their interaction in five tasks, including word reading, lexical and concreteness decision, object picture naming, and word repetition. We found: (a) word frequency and SemD effects were consistently distinct; (b) effects of SemD were facilitatory in nearly all tasks, but inhibitory effects were also found; contrary to existing claims, we conclude that inhibitory SemD effects do not necessarily imply semantic selection requirements; (c) the presence of SemD effects minimally influenced the size of frequency effects when SemD was left uncontrolled, suggesting that SemD does not explain absent frequency effects in the patient literature; and (d) word frequency and SemD only interact in the largest data sets. Results are discussed in the context of rational models of memory (Anderson & Milson, 1989; Anderson & Schooler, 1991) and the Controlled Semantic Cognition framework (Lambon Ralph et al., 2017).en_US
dc.identifier.citationChapman, Curtiss A. and Martin, Randi C.. "Effects of semantic diversity and word frequency on single word processing." <i>Journal of Experimental Psychology: General,</i> 151, no. 5 (2022) American Psychological Association: 1035-1068. https://doi.org/10.1037/xge0001123.en_US
dc.identifier.doihttps://doi.org/10.1037/xge0001123en_US
dc.identifier.urihttps://hdl.handle.net/1911/112915en_US
dc.language.isoengen_US
dc.publisherAmerican Psychological Associationen_US
dc.subject.keywordaphasiaen_US
dc.subject.keywordfrequencyen_US
dc.subject.keywordmega-studiesen_US
dc.subject.keywordsemantic controlen_US
dc.subject.keywordsemantic diversityen_US
dc.titleEffects of semantic diversity and word frequency on single word processingen_US
dc.typeJournal articleen_US
dc.type.dcmiTexten_US
dc.type.publicationpublisher versionen_US
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