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A note on testing the sphericity hypothesis with Bartlett's test
Reddon, John R. Jackson, Douglas N. (Douglas Northrop), 1929-2004
Reddon, John R.
Jackson, Douglas N. (Douglas Northrop), 1929-2004
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Issue Date
1984
Type
Article
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Keywords
Psychology,Methodology,Nonbiological model,Nonhuman,Statistics
Subjects (LCSH)
Citation
Reddon, J. R., Jackson, D. N. (1984). A Note on Testing the Sphericity Hypothesis with Bartlett's Test. Multivariate Experimental Clinical Research, 7(1), 49-52. https://doi.org/10.62704/10057/17555
Abstract
This study employs computer simulations of correlations matrices to evaluate sample size requirements with different numbers of variables for testing departures from sphericity, implying the presence of group factors. Inductive approximation of average off-diagonal correlations due to Lawley (1940) and to Baggaley (1982) were found to be biased for correlation matrices with homogeneous elements. This bias led to some error in estimation by Baggaley of the appropriate sample size for evaluating departures from sphericity. Lawley's approximation was clearly inferior to Baggaley's approximation.
Table of Contents
Description
Publisher
Wichita State University, Department of Psychology
Journal
Book Title
Series
Multivariate Experimental Clinical Research
v.7 no.1
v.7 no.1
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Archival Collection
PubMed ID
ISSN
0147-3964