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Detterman, Douglas K.; Daniel, Mark H. – Intelligence, 1989
Two studies (N=4,261 persons) illustrate an inverse relationship between ability level and correlations among IQ measures. Low IQ subjects showed higher correlations than did high IQ subjects. Intercorrelations of IQ subtests, intercorrelations of cognitive ability measures, and correlations of IQ with measures of cognitive ability displayed the…
Descriptors: Cognitive Ability, Cognitive Tests, College Students, Comparative Testing
Winick, Albert B. – 1974
Tests of intelligence and structured measures of emotional status, aptitudes, and achievement alone do not suffice in predicting the vocational adjustment of the mentally retarded. Since the main concern is the evaluation of the many aspects of behavior which make the individual a unique and changing person, a format was developed which included a…
Descriptors: Achievement Tests, Adults, Clinical Diagnosis, Cognitive Tests