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| Research article summary (published 29 Nov 2002): |
Visual degradation in Boston Naming Test performance.
Full Abstract
The 60 pictures of the Boston Naming Test were degraded via a mask to be either "easy," "medium", or "hard" to process visually. The visual mask was created by cutting a 2-in. x 2-in. square from a security mailing envelope and progressively reducing the size 25% on a copy machine. Three groups of 50 undergraduates each were randomly assigned to one of these three degradation conditions, and the number of correct identifications made was measured. We expected that as degradation increased (from easy to medium to hard), Boston Naming Test performance would decrease. A one-way analysis of variance indicated that group scores differed. With "easy" degradation more pictures were identified in comparison with performance in the "hard" degradation condition, but no other differences were significant. Results were discussed from the perspective of how unknown situational variables may affect performance on psychological tests.
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Author information
Author/s: Ferraro, F Richard (FR); Bang, Bobbi Jo (BJ); Scheuler, Kristen (K);
Affiliation: Department of Psychology, University of North Dakota, Grand Forks 58202-8380, USA. f_ferraro(-atsign-)und.nodak.edu
Journal and publication information
Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial
Journal: Perceptual and motor skills (Percept Mot Skills), published in United States. (Language: eng)
Reference: 2002-Dec; vol 95 (issue 3 Pt 2) : pp 1115-8
Dates: Created 2003/02/11; Completed 2003/05/14; Revised 2006/09/18;
PMID: 12578251, status: MEDLINE (last retrieval date: 11/6/2008)
Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.
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