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Chasing psycholinguistic effects: a cautionary tale

Lewis, Michael Bevan 2006. Chasing psycholinguistic effects: a cautionary tale. Visual Cognition 13 (7-8) , pp. 1012-1026. 10.1080/13506280544000174

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Many studies have addressed the issue of whether age of acquisition and/or frequency affect particular lexical tasks. Methods typically employed in such studies are based on the general linear model (e.g., ANOVA or multiple regression). These methods assume manipulated independent variables whereas the usual approach of investigating age-of-acquisition and frequency effects uses estimated norms of word properties. This failure to truly manipulate variables violate the assumptions of the analyses. A simulation is provided that demonstrates how this violation can lead to erroneous conclusions of effects when none are present. Recommendations are made for a more correlational approach to analysis using structural equation modelling techniques. It is also discussed how this use of estimates of lexical data is problematic for determining effects throughout psycholinguistic research.

Item Type: Article
Status: Published
Schools: Psychology
Additional Information: Special issue: Age of Acquisition Effects in Word and Object Processing Guest Editors: Chris Barry and Robert Johnston
Publisher: Taylor & Francis
ISSN: 1350-6285
Last Modified: 04 Jun 2017 04:06

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