Repetition proportion biases masked priming of lexical decisions.

Full Abstract

Although subjects have little or no awareness of masked primes, Bodner and Masson (2001) found that priming of lexical decisions is often enhanced when masked repetition primes occur on a high proportion of trials. We used baseline prime conditions to specify the locus of this repetition proportion (RP) effect. In Experiments 1A and 1B, a .8-RP group showed more priming than did a .2-RP group, and this RP effect was due to both (1) increased facilitation from repetition primes and (2) increased interference from unrelated primes. In Experiment 2, we used the baseline condition to show that subjects are sensitive to RP rather than to the proportion of unrelated primes. Direct comparisons of a given prime condition (repetition, unrelated) across RP conditions were more stable than were comparisons relative to the baseline condition. The increased costs and benefits of repetition priming when RP is higher implicate a context-sensitive mechanism that constrains accounts of masked priming.

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Author information

Author/s: Bodner, Glen E (GE); Masson, Michael E J (ME); Richard, Norann T (NT);

Affiliation: Department of Psychology, University of Calgary, Alberta, Canada. bodner(-atsign-)ucalgary.ca

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 1298-311

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

PMID: 17225510, 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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