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| Research article summary (published 30 Mar 2003): |
What are the causes of reduced fit in scaling and clustering studies of semantic proximity data, and how else to measure them: a comment on Storms et al. (2003).
Full Abstract
G. Storms, T. Dirikx, J. Saerens, S. Verstraeten, and P. P. De Deyn (2003) noted that the goodness-of-fit indices for scaling and clustering solutions of proximity data from populations with hypothesized semantic deficits tend to be reduced in comparison with control participants, and that this precludes an unambiguous interpretation of such data. However, this effect is not necessarily as inconsistent with the proposal of semantic degradation in these groups, or as consistent with explanations in terms of access or attentional problems, as is suggested by G. Storms et al. Also, although performance on word fluency tasks is certainly constrained by the ability to access stored information, there are ways in which this confounding influence may be controlled for in the study of semantic deficits.
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Author information
Author/s: Jarrold, Christopher (C);
Affiliation: Department of Experimental Psychology, University of Bristol, England. c.jarrold(-atsign-)bristol.ac.uk
Journal and publication information
Publication Type: Comment; Journal Article
Journal: Neuropsychology (Neuropsychology), published in United States. (Language: eng)
Reference: 2003-Apr; vol 17 (issue 2) : pp 310-1; discussion 323-9
Dates: Created 2003/06/13; Completed 2003/07/14; Revised 2004/11/17;
PMID: 12803438, 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.
Comments and Corrections
CommentOn: Neuropsychology. 2003 Apr;17(2):289-301. (PMID: 12803435)
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