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Convergence theory for partial images and revision of the definition of total images
Authors:Peter Findeisen
Affiliation:(1) Psychologisches Institut der Universität Düsseldorf, Lehrstuhl IV, Universittätstrasse 1, 4000 Düsseldorf, West Germany
Abstract:Guttman's assumption underlying his definition of “total images” is rejected: Partial images are not generally convergent everywhere. Even divergence everywhere is shown to be possible. The convergence type always found on partial images is convergence in quadratic mean; hence, total images are redefined as quadratic mean-limits. In determining the convergence type in special situations, the asymptotic properties of certain correlations are important, implying, in some cases, convergence almost everywhere, which is also effected by a countable population or multivariate normality or independent variables. The interpretations of a total image as a predictor, and a “common-factor score”, respectively, are made precise.
Keywords:multiple regression  image analysis  convergence of partial images  common-factor scores  regression analysis  factor analysis  psychometric sampling
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