Exploratory Longitudinal Factor Analysis in Multiple Populations

1 June 1989

journal article
Published by Cambridge University Press (CUP) in Psychometrika

Vol. 54 (2) , 261-281
https://doi.org/10.1007/bf02294520

Abstract

For multiple populatios, a longtidinal factor analytic model which is entirely exploratory, that is, no explicit identification constraints, is proposed. Factorial collapse and period/practice effects are allowed. An invariant and/or stationary factor pattern is permitted. This model is formulated stochastically. To implement this model a stagewise EM algorithm is developed. Finally a numerical illustration utilizing Nesselroade and Baltes' data is presented.

Keywords

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