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The concepts of fluid intelligence (g f) and crystallized intelligence (g c) were introduced in 1943 by the psychologist Raymond Cattell. [ 1 ] [ 2 ] [ 3 ] According to Cattell's psychometrically -based theory, general intelligence ( g ) is subdivided into g f and g c .
The Cattell–Horn–Carroll theory is an integration of two previously established theoretical models of intelligence: the theory of fluid and crystallized intelligence (Gf-Gc) (Cattell, 1941; Horn 1965), and Carroll's three-stratum theory (1993), a hierarchical, three-stratum model of intelligence. Due to substantial similarities between the ...
The three-stratum theory is a theory of cognitive ability proposed by the American psychologist John Carroll in 1993. [1] [2] It is based on a factor-analytic study of the correlation of individual-difference variables from data such as psychological tests, school marks and competence ratings from more than 460 datasets.
There are two types of intelligence: crystallized intelligence and fluid intelligence. Crystallized intelligence is your ability to utilize information, skills, and experience already learned ...
For his PhD research at the University of Illinois Urbana-Champaign, Horn identified other broad intellectual abilities to supplement fluid reasoning ability (g f) and crystallized ability (g c) postulated by his supervisor Raymond Cattell. As with Cattell, Horn rejected the existence of an even higher level factor of general intelligence ‘g ...
The distinction between fluid and crystallized intelligence can only emerge to the extent that it is possible to develop a battery of tests that accurately distinguishes between material to which test takers should have been exposed and tasks that they should find novel." (Johnson & Bouchard, 2005) [2]
The cover of a test booklet for Raven's Standard Progressive Matrices. Raven's Progressive Matrices (often referred to simply as Raven's Matrices) or RPM is a non-verbal test typically used to measure general human intelligence and abstract reasoning and is regarded as a non-verbal estimate of fluid intelligence. [1]
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