Dissociating the influence of familiarity and meaningfulness from word frequency in naming and lexical decision performance.

Full Abstract

Performance in two experiments was compared on a list of words of high and low frequency in which familiarity/meaningfulness (FM) was balanced and on a list of high- and low-frequency words in which FM was confounded with frequency (i.e., high frequency--high familiarity vs. low frequency--low familiarity). Both repetition and task (lexical decision and naming) were investigated. In the lexical decision task of Experiment 1, both frequency and repetition effects were larger in the list with FM confounded than in the list with FM matched. In the naming task, frequency and repetition effects and their interaction were significant, but there was no influence of FM list context. In Experiment 2, in which the repetitions occurred across blocks, as opposed to randomly intermixed within a list, similar results were found; however, there was no interaction between list and repetition. The results suggest that an evaluation of items in terms of their meaning and familiarity explains a large part of the variance, only in lexical decision. These dimensions may be cued both by subjective feelings of familiarity and the extent to which semantic information is available and by episodic traces due to recent encounters with the item.

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Author information

Author/s: Colombo, Lucia (L); Pasini, Margherita (M); Balota, David A (DA);

Affiliation: University of Padua, Padua, Italy. lucia.colombo(-atsign-)unipd.it

Journal and publication information

Publication Type: Journal Article; Research Support, Non-U.S. Gov't

Journal: Memory & cognition (Mem Cognit), published in United States. (Language: eng)

Reference: 2006-Sep; vol 34 (issue 6) : pp 1312-24

Dates: Created 2007/01/17; Completed 2007/02/22;

PMID: 17225511, status: MEDLINE (last retrieval date: 12/26/2008)

Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.

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