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Example
24
Multiple-Group Factor Analysis
Introduction
This example demonstrates a two-group factor analysis with automatic specification
of cross-group constraints.
About the Data
This example uses the Holzinger and Swineford girls’ and boys’ (1939) data from
Examples 12 and 15.
Model 24a: Modeling Without Means and Intercepts
The presence of means and intercepts as explicit model parameters adds to the
complexity of a multiple-group analysis. The treatment of means and intercepts will
be postponed until Model 24b. For now, consider fitting the following factor analysis
model, with no explicit means and intercepts, to the data of girls and of boys: