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65288a64fe Stanford-Binet Intelligence Scales Wechsler Adult Intelligence Scale . Boston, MA: Houghton Mifflin, 1971, p.79. Cattell, R. Concept validity is thus measured by correlating the scale with the pure factor and this can only be carried out by performing a methodologically sound factor analysis. The relatively high loading of the Culture Fair Intelligence Test on the fluid intelligence factor indicates that the CFIT does, in fact, have a reasonably high direct concept validity with respect to the concept of fluid intelligence. Cattell, PhD, DSc in an attempt to produce a measure of cognitive abilities that accurately estimated intelligence devoid of sociocultural and environmental influences. Scholars have subsequently concluded that the attempt to construct measures of cognitive abilities devoid of the influences of experiential and cultural conditioning is a challenging one. Cattell proposed that general intelligence (g) comprises both Fluid Intelligence (Gf) and Crystallized Intelligence (Gc). Whereas Gf is biologically and constitutionally based, Gc is the actual level of a person's cognitive functioning, based on the augmentation of Gf through sociocultural and experiential learning (including formal schooling). Question items. H; Matthews, G. He led the way in attempting to define and develop tests where the effects of cultural and linguistic differences could be parsed out. Chs. Cambridge: Cambridge University Press.
Champaign, IL: IPAT. (5 March 2012). B., & Butcher, J. The use of culture-and language-reduced or so-called 'nonverbal' tests stretches from the form boards of Itard through Army Beta to the performance battery of the Wechsler scales, the Progressive Matrices tests (Raven, 1938), the Nonverbal Battery of the Cognitive Abilities Test (Thorndike & Hagen, 1963), and the Universal Nonverbal Intelligence Test (Bracken & McCallum, 1998). Cattell A & B combined raw score 85 ^ Cattell, R. In Callahan, Carolyn M.; Hertberg-Davis, Holly L. Prediction of school achievement from motivation, personality and ability measures.