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Example
12
Simultaneous Factor Analysis for
Several Groups
Introduction
This example demonstrates how to test whether the same factor analysis model holds
for each of several populations, possibly with different parameter values for different
populations (Jöreskog, 1971).
About the Data
We will use the Holzinger and Swineford (1939) data described in Example 8. This
time, however, data from the 72 boys in the Grant-White sample will be analyzed
along with data from the 73 girls studied in Example 8. The girls’ data are in the file
Grnt_fem.sav and were described in Example 8. The following is a sample of the
boys’ data in the file, Grnt_mal.sav: