Goh, Winston D., Suárez, Lidia, Yap, Melvin J., and Tan, Seok Hui (2009) Distributional analyses in auditory lexical decision: neighborhood density and word-frequency effects. Psychonomic Bulletin & Review, 16 (5). pp. 882-887.

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Abstract

In the present article, the effects of phonological neighborhood density and word frequency in spoken word recognition were examined using distributional analyses of response latencies in auditory lexical decision. A density x frequency interaction was observed in mean latencies; frequency effects were larger for low-density words than for high-density words. Distributional analyses further revealed that for low-density words, frequency effects were reflected in both distributional shifting and skewing, whereas for high-density words, frequency effects were purely mediated by distributional skewing. The results suggest that word frequency plays a role in early auditory word recognition only when there is relatively little competition between similar-sounding words, and that frequency effects in high-density words reflect postlexical checking.

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