Please use this identifier to cite or link to this item:
Scopus Web of Science® Altmetric
Type: Journal article
Title: Inspection time and general speed of processing
Author: Gregory, T.
Burns, N.
Citation: Personality and Individual Differences, 2003; 35(3):713-724
Publisher: Pergamon-Elsevier Science Ltd
Issue Date: 2003
ISSN: 0191-8869
Statement of
Tess A. O’Connor and Nicholas R. Burns
Abstract: Recent research suggests that the relationship between inspection time (IT) and psychometric intelligence arises because IT is a measure of general speed of processing (Gs). However, hierarchical models of intelligence propose several distinct speed of processing factors; this study examines IT in relation to these multiple speed factors. Participants (N=102) completed tests of speed of processing yielding 18 measures. Factor analysis revealed a second order general speed factor (Gs) and four group factors: perceptual speed, visualisation speed, decision time and movement time. IT correlated with a visualisation speed factor (r=0.36) and with a perceptual speed factor (r=0.28). However, the correlation between IT and perceptual speed was near-zero when the correlation with visualisation speed was partialled out. These findings are consistent with the notion that IT is a measure of Gs but suggest that IT most directly measures speed of visualisation processes. These results are also congruent with research on the psychophysics of IT.
Keywords: Inspection time; Reaction time; Intelligence; Mental speed
Rights: Copyright © 2003 Elsevier
RMID: 0020030497
DOI: 10.1016/S0191-8869(02)00264-7
Description (link):
Appears in Collections:Psychology publications

Files in This Item:
File Description SizeFormat 
hdl_3375.pdfAccepted version1.42 MBAdobe PDFView/Open

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.