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Experimental Psychology (Russia)

Publisher: Moscow State University of Psychology and Education

ISSN (printed version): 2072-7593

ISSN (online): 2311-7036

DOI: http://dx.doi.org/10.17759/exppsy

License: CC BY-NC 4.0

Started in 2008

Published quarterly

Free of fees
Open Access Journal

 

Methodological issues of application of factor analysis to psychophysiological studies 1932

Mashin V.A., PhD in Psychology, Cand. Sci. in Psychology, Head of Laboratory of Psychophysiological Support, Novovoronezh Nuclear Power Plant Engineers Training Center, Russia, utc@vmail.ru
Abstract
This article considers a number of methodological issues relating to the use of factor analysis for the assessment of the spectral characteristics of heart rate, namely: the assumption of a multivariate of normal distribution of investigated characteristics, appropriateness of applying of the factor analysis model to the original data, of the procedure of the selection of common factors, and of the significance of the factor solution. In our study we used variables characterized by disruption of normal distribution, variables converted to a normal distribution, as well as the correlation matrix of Pearson and Spearman, and the model data. In the process of the factor analysis (the principal components method, Varimax-rotation) we investigate both the possibilities and limitations of various statistical tests and procedures and considered the nature of the marked common factors and capability of the use of Spearman correlations for violations of normality.

Keywords: factor analysis, heart rate spectrum, normal distribution, statistical fitness tests, Pearson's and Spearman's correlation coefficients

Column: Mathematical Psychology

For Reference

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