Abstract
In recent years, researchers have focused on the development of hierarchical theories of intelligence. Flanagan and McGrew (1998) recently tested the appropriateness of Carroll's (1993a) hierarchical theory, the three-stratum theory, on the KAIT and WJ-R. Their results suggested that the KAIT is best interpreted from Carroll's theory rather than the test's recommended Gf-Gc theory, yet their sample had limited generalizability. The current study compared a single-factor model, Gf-Gc, and Carroll's hierarchical model on data from the KAIT and K-BIT standardization and validation sample. Results indicated that the Gf-Gc model was the only appropriate interpretive model for the KAIT and KAIT/K-BIT models.
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