Invariance
Invariance
Developer’s Description
This program calculates three indices of factor pattern invariance: coefficient of congruence (Rc); chi-square goodness of fit; and salient variable similarity index. All three require that the same variables and factoring methods be used in separate samples. The Rc can be calculated from the matching factor loadings alone. The chi-square goodness of fit method also requires that the number of subjects in each factor be entered. The salient variability similarity index requires the matching factor loadings and a user-specified value for salience.
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