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Svanum, Soren; Bringle, Robert G. – Journal of Educational Psychology, 1980
The confluence model of cognitive development was tested on 7,060 children. Family size, sibling order within family sizes, and hypothesized age-dependent effects were tested. Findings indicated an inverse relationship between family size and the cognitive measures; age-dependent effects and other confluence variables were found to be…
Descriptors: Academic Achievement, Age Differences, Birth Order, Cognitive Development
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Eno, Lawrence; Woehlke, Paula – Psychology in the Schools, 1980
Though some unexpected sex differences were discovered, the two diagnostic categories were not found to be psychometrically distinct. Further, the results of a longitudinal analysis suggested that, while IQ scores remained relatively stable over time within a subset of the original sample, achievement scores definitely declined. (Author)
Descriptors: Comparative Testing, Disadvantaged Youth, Educational Diagnosis, Elementary Secondary Education
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Ong, Jin; Jones, Lowell, Jr. – Perceptual and Motor Skills, 1982
Rank-difference correlations between Memory-for-Designs test, Wechsler Intelligence Scale for Children (WISC), and Wide Range Achievement Test scores for two classes of educable mentally retarded children showed high negative correlations between Memory-for-Designs and WISC Full Scale IQs. Visual memory accounted for 84 percent of variance in…
Descriptors: Academic Achievement, Achievement Tests, Correlation, Elementary Education
Reynolds, Cecil R.; Hartlage, Lawrence C. – 1978
Regression lines for the prediction of Wide Range Achievement Test (WRAT) scores by Wechsler Intelligence Scale for Children (WISC) and WISC Revised (WISC-R) intelligence quotients were compared across race, by the Potoff technique. Subjects were 36 black and 30 white children who were referred for psychological evaluation because of learning or…
Descriptors: Academic Achievement, Achievement Tests, Black Students, Comparative Testing
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Guidubaldi, John; And Others – School Psychology Review, 1983
A wide array of data was gathered in a nationwide study, including parent and child interviews, intelligence test and achievement test scores, and teacher ratings of children's classroom performance. Results indicated extensive differences favoring intact family children, which persisted when IQ and socioeconomic status measures were controlled.…
Descriptors: Academic Achievement, Age Differences, Divorce, Elementary Education
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Candler, Ann C.; And Others – Education, 1983
Examines differences between 45 learning disabled, mentally retarded, and Title I elementary students on intelligence, academic achievement, and behavior measures. Indicates that such students perform similarly on academic achievement and behavior measures. Learning disabled and Title I students were similar on an intelligence measure; mentally…
Descriptors: Academic Achievement, Behavior Patterns, Behavior Rating Scales, Comparative Testing
Walthall, Joe; Smith, Terry – 1990
This study investigated the relationship between measured intelligence and discrepancies existing between actual achievement levels and projected achievement levels in mildly handicapped resource room students in Arkansas. Twenty-seven students had been identified as learning disabled and 19 as mildly mentally retarded. Subjects each received…
Descriptors: Academic Achievement, Achievement Tests, Elementary Secondary Education, Handicap Identification