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Crystallized Intelligence

The conceptualization and measurement of mental abilities in general, and intelligence in particular, are among the preeminent accomplishments of modern psychology. Similarly, the subsequent understanding that intelligence is a multidimensional, dynamic construct provides a robust foundation for continued progress in both conceptual understanding and psychometric utility. This entry focuses on one major dimension of intelligence, which was first named “crystallized intelligence” (Gc) by Raymond B. Cattell. The entry first reviews its historical origins and current embodiment as a central feature of Cattell-Horn-Carroll (CHC) theory. In the process, this entry distinguishes Gc from the other broad form of intelligence described by Cattell as “fluid intelligence” (Gf) and from other types of intelligence described in CHC theory. This entry further reviews the operationalization of intelligence in psychological ...

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