Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/17024
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Type: Journal article
Title: Inspection time and speed of processing: Sex differences on perceptual speed but not IT
Author: Burns, N.
Nettelbeck, T.
Citation: Personality and Individual Differences, 2005; 39(2):439-446
Publisher: Pergamon-Elsevier Science Ltd
Issue Date: 2005
ISSN: 0191-8869
Statement of
Responsibility: 
Nicholas R. Burns and Ted Nettelbeck
Abstract: Inspection time (IT) is a pattern backward masking task that correlates with IQ. Recently, IT has been shown mainly to measure general speed of processing (Gs). Females outperform males on tests of Gs, for example Digit Symbol (DS) from the Wechsler scales. Combining data from several studies we examined whether there were sex differences in IT. N = 653 adults and children completed a standard IT task and DS. Expected female superiority on DS was confirmed but there were no sex differences on IT. Nonetheless, DS and IT correlated with each other. These results confirm the psychological complexity of IT and support suggestions that IT may be useful as a biomarker to monitor cognitive changes that accompany ageing.
Keywords: Inspection time; Perceptual speed; Digit symbol; Sex differences
Description: Copyright © 2005 Elsevier Ltd All rights reserved.
RMID: 0020050575
DOI: 10.1016/j.paid.2005.01.022
Description (link): http://www.elsevier.com/wps/find/journaldescription.cws_home/603/description#description
Appears in Collections:Psychology publications

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