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Download full textBusch, John Christian; Simon, Lawrence H. – 1972
The rod and frame performance of 70 children, 5 to 7 years of age, with respect to sex and age differences, reliability, and its relationship to general intelligence, was investigated. The rod and frame test was administered individually and again following a period of 35 to 69 days, at which time the Lorge Thorndike Intelligence Test, form 1A,…
Descriptors: Age Differences, Analysis of Variance, Comparative Analysis, Correlation
McGaw, Barry; Joreskog, Karl G. – 1970
This study attempts to determine whether the pattern of human abilities varies or remains constant over a range of ability levels. Scores on 12 aptitude and achievement tests for 11,743 subjects, subdivided into four groups according to intelligence and socioeconomic status, were used. A technique, developed by Joreskog, for simultaneously factor…
Descriptors: Ability Identification, Achievement Tests, Analysis of Covariance, Analysis of Variance
