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Direct linkZhang, Guangjian; Browne, Michael W. – Psychometrika, 2007
The composite direct product (CDP) model is a multiplicative model for multitrait-multimethod (MTMM) designs. It is extended to incomplete MTMM correlation matrices where some trait-method combinations are not available. Rules for omitting trait-method combinations without resulting in an indeterminate model are also suggested. Maximum likelihood…
Descriptors: Multitrait Multimethod Techniques, Correlation, Computation, Models
Peer reviewedGrayson, David; Marsh, Herbert W. – Psychometrika, 1994
In confirmatory factor analysis (CFA), models exist that are admissible and demonstrably identified where the factor loading matrix from latent to manifest variables is of less than full column rank, even though other models are not identified. Implications for CFA are discussed. (SLD)
Descriptors: Equations (Mathematics), Identification, Matrices, Models
