Convergence theory for partial images and revision of the definition of total images |
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Authors: | Peter Findeisen |
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Affiliation: | (1) Psychologisches Institut der Universität Düsseldorf, Lehrstuhl IV, Universittätstrasse 1, 4000 Düsseldorf, West Germany |
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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. |
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Keywords: | multiple regression image analysis convergence of partial images common-factor scores regression analysis factor analysis psychometric sampling |
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