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Modulation of additive and interactive effects in lexical decision by Trial History

  • Additive and interactive effects of word frequency, stimulus quality, and semantic priming have been used to test theoretical claims about the cognitive architecture of word-reading processes. Additive effects among these factors have been taken as evidence for discrete-stage models of word reading. We present evidence from linear mixed-model analyses applied to 2 lexical decision experiments indicating that apparent additive effects can be the product of aggregating over- and underadditive interaction effects that are modulated by recent trial history, particularly the lexical status and stimulus quality of the previous trial's target. Even a simple practice effect expressed as improved response speed across trials was powerfully modulated by the nature of the previous target item. These results suggest that additivity and interaction between factors may reflect trial-to-trial variation in stimulus representations and decision processes rather than fundamental differences in processing architecture.

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Author:Michael E. J. Masson, Reinhold KlieglORCiDGND
ISSN:0278-7393 (print)
Parent Title (English):Journal of experimental psychology : Learning, memory, and cognition
Publisher:American Psychological Association
Place of publication:Washington
Document Type:Article
Year of first Publication:2013
Year of Completion:2013
Release Date:2017/03/26
Tag:additive and interactive effects; effects of trial history; lexical decision; linear mixed models
First Page:898
Last Page:914
Funder:Natural Sciences and Engineering Research Council of Canada; Deutsche Forschungsgemeinschaft
Organizational units:Humanwissenschaftliche Fakultät / Institut für Psychologie
Peer Review:Referiert