Factor Analyses with Variables of Different Metric

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Cattell, R. B. Handbook of Multivariate Experimental Psychology. Chicago: Rand McNally , 1966, pp. 195-200.

Cronbach, L. J. and Glesser, G. C. Assessing Similarity between Profiles. Psychological Bulletin, 1953, 25, 456-473.

Guilford, J. P. The Phi Coefficient and Chi Square as Indices of Item Validity. Psychometrika, 1941, 6, 11-19.

Horn, J. L. Short Period Changes in Abilities . NASA Report NsG-518. Project No. DRI-614. Denver Research Institute, 1966.

Horn, J. L. and Little, K. B. Isolating Change and Invariance in Patterns of Variables . Multivariate Behavioral Research, 1966, 1, 219-229.

Messick, S. J. An Empirical Evaluation of Multidimensional Successive Intervals. Psychometrika, 1956, 21, 367-376.

Messick, S. J. and Abelson, R. P. The Additive Constant Problem in Multidimensional Scaling. Psychometrika, 1956, 21, 1-15.

Torgerson, W. S. Theory and Methods of Scaling . New York: Wiley, 1958.

Tryon, R. C. and Daniel E. Bailey. The BC TRY Computer System of Cluster and Factor Analysis. University of California, Berkeley Computing Center, 1968.

Tucker, L. R. A Method for Synthesis of Factor Analysis Studies. Personnel Research Section, Report No. 984, Department of Army, 1951.

Tucker, L. R. Determination of Parameters of a Functional Relation by Factor Analysis. Psychometrika , 1958, 23, 19-23.

Tucker, L. R. and Messick, S. An Individual Differences Model for Multidimensional Scaling. Psychometrika, 1963, 28, 333-367.

Wrigley, C. and Neuhaus, J. O. The Matching of Two Sets of Factors. American Psychologist, 1955, 10, 418-419.