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Jensen, Arthur R.; Osborne, R. Travis – 1979
Longitudinal data on the auditory forward and backward digit span (FDS and BDS) subtests of the Wechsler Intelligence Scale for Children (WISC) were obtained at five age levels (between 6 and 13), in samples of white and black children. Factor analysis and analysis of variance of the data were conducted to test 5 hypotheses, related to Jensen's…
Descriptors: Age Differences, Black Students, Cognitive Ability, Cognitive Processes
Yarborough, Betty H.; And Others – 1976
An experimental group of 51 students from non-graded and three matched groups of 187 pupils from graded programs were studied to determine the relative effectiveness of non-graded and graded approaches to elementary education and whether any differences found at the end of six years of schooling remained after both groups had been exposed to a…
Descriptors: Affective Behavior, Affective Measures, Cognitive Processes, Cognitive Tests