Why safe is better than fast: the relatedness of a word's meanings affects lexical decision times  

Oleh:

Azuma, Tamiko ; Orden, Guy C. Van

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Journal of Memory and Language (Full Text) vol. 36 no. 4 (May 1997), page 484-504.
Fulltext: 36_04_Azuma_Van Orden.pdf (166.21KB)

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Perpustakaan PKBB Nomor Panggil: 405/JML/36 Non-tandon: tidak ada Tandon: 1

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Past lexical decision studies investigating the number of meanings (NOM) effect have produced mixed results. A second variable, the relatedness among a word's meanings, has not been widely studied. In Experiment I, Relatedness (High or Low), NOM (Many or Few), and nonword condition (legal nonwords or pseudohomophones) were manipulated in lexical decision. No significant effects of NOM or Relatedness were observed in the legal nonword condition. However, in the pseudohomophone condition, Relatedness and NOM both produced significant main effects, and an interaction. Words with few, unrelated meanings produced the slowest response times (RTs); all other words produced statistically equivalent RTs. Results of the pseudohomophone condition of Experiment I were replicated in Experiment 2, except the main effect of NOM was not significant. The overall unreliability of NOM effects in these (and previous) experiments lead us to question the contribution of NOM to the observed interaction. NOM metrics are often confounded with relatedness; words with many meanings tend to have highly related meanings. The results show that relatedness among meanings can influence lexical decision perfonnance; the challenge is now to explore alternative measures, other than simple enumeration, to adequately describe word meanings. @ 1997 Academic Press

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