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Peer reviewedBieber, Stephen L.; Meredith, William – Psychometrika, 1986
Meredith's method of extracting a factorially invariant solution is adapted to longitudinal settings. An explorational estimation procedure is presented which attempts to identify the longitudinal factor components of an across occasion variance-covariance matrix. Data from 166 subjects on the Wechsler Adult Intelligence Scale is used to…
Descriptors: Factor Analysis, Factor Structure, Intelligence Tests, Longitudinal Studies
