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Peer reviewedvan Schuur, Wijbrandt H.; Kiers, Henk A. L. – Applied Psychological Measurement, 1994
The identification of two factors when one factor is expected is an artifact caused by using factor analysis on data that would be more appropriately analyzed with a unidimensional unfolding model. A numerical illustration is given, and ways to determine whether data conform to the unidimensional unfolding model are reviewed. (SLD)
Descriptors: Factor Analysis, Factor Structure, Matrices, Models
