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Hülür, Gizem; Gasimova, Fidan; Robitzsch, Alexander; Wilhelm, Oliver – Child Development, 2018
Intellectual engagement (IE) refers to enjoyment of intellectual activities and is proposed as causal for knowledge acquisition. The role of IE for cognitive development was examined utilizing 2-year longitudinal data from 112 ninth graders (average baseline age: 14.7 years). Higher baseline IE predicted higher baseline crystallized ability but…
Descriptors: Intellectual Experience, Learner Engagement, Cognitive Development, Longitudinal Studies
Harpalani, Vinay – Penn GSE Perspectives on Urban Education, 2017
This article examines how racial stereotypes affect achievement and identity formation among low income, urban Black adolescents. Specifically, the major question addressed is: how do high-achieving Black students succeed academically despite negative stereotypes of their intellectual abilities? Results indicate that high-achieving Black youth,…
Descriptors: African American Students, High Achievement, Ethnic Stereotypes, Identification (Psychology)
Allor, Jill H.; Mathes, Patricia G.; Roberts, J. Kyle; Cheatham, Jennifer P.; Al Otaiba, Stephanie – Exceptional Children, 2014
This longitudinal randomized-control trial investigated the effectiveness of scientifically based reading instruction for students with IQs ranging from 40 to 80, including students with intellectual disability (ID). Students were randomly assigned into treatment (n = 76) and contrast (n = 65) groups. Students in the treatment group received…
Descriptors: Reading Instruction, Instructional Effectiveness, Intelligence Quotient, Intelligence Differences
Perrone, Kristin M.; Ksiazak, Tracy M.; Wright, Stephen L.; Vannatter, Aarika; Crane, Amy L.; Tanney, Angela – Journal for the Education of the Gifted, 2010
The focus of this study was on gifted adults' perceptions of multigenerational giftedness in their families. Participants have been surveyed annually since their high school graduation in 1988. The purpose of the longitudinal study is to gain insight into the career and life development of gifted individuals post-high school. For the present…
Descriptors: Gifted, Age Differences, Longitudinal Studies, Mail Surveys
Chamorro-Premuzic, Tomas; Arteche, Adriane – Intelligence, 2008
The present study provides a preliminary empirical test of [Chamorro-Premuzic, T., & Furnham, A. (2004). A possible model to understand the personality-intelligence interface. "British Journal of Psychology," 95, 249-264], [Chamorro-Premuzic, T., & Furnham, A. (2006a). Intellectual competence and the intelligent personality: A…
Descriptors: Intelligence, Academic Achievement, Models, Validity

Zajonc, R. B.; And Others – American Sociological Review, 1991
Responds to "Birth Order and Intelligence: Further Tests of the Confluence Model" by Robert D. Retherford and William H. Sewell. Reviews their arguments and suggests that their analyses of the Wisconsin Longitudinal Study data support rather than contradict the model. (CJS)
Descriptors: Birth Order, Intelligence Differences, Longitudinal Studies, Mathematical Models

Hindley, C. B.; Owen, C. F. – Journal of Child Psychology and Psychiatry and Allied Disciplines, 1978
Descriptors: Age Differences, Children, Intelligence Differences, Intelligence Quotient

Buck, Carol; And Others – Multivariate Behavioral Research, 1973
Studies the relationship between social class and intelligence age five among 400 children of mature birthweight and without significant prenatal complications, in order to identify variables which would statistically account for the influence of social class upon I.Q. (Author/JM)
Descriptors: Intelligence, Intelligence Differences, Longitudinal Studies, Prenatal Influences
Simensen, R. J.; Fisch, G. S.; Schroer, R. J. – 2000
This report discusses the outcomes of a study that examined 216 comparably aged children and adolescents (ages 2-18) with fragile X or autism to determine whether longitudinal change in cognitive ability and adaptive behavior was similar in the two groups. Results found decreases in Intelligence Quotient scores in young children with fragile X as…
Descriptors: Adolescents, Age Differences, Autism, Children

Osborne, R. T.; Suddick, D. E. – Journal of Genetic Psychology, 1972
The mental growth patterns of 204 children were investigated on four different test occasions covering a five-year period, ages six to 11. There is no evidence of intellectual differentiation after age six nor is there a systematic decline in size of WISC subtest intercorrelations with increasing age. (Authors)
Descriptors: Age Differences, Factor Structure, Hypothesis Testing, Intelligence Differences
Braggett, E. J. – 1975
This study attempted to determine whether attendance at a traditional preschool resulted in significant cognitive gains for young children over a 3-year period. The experimental group consisted of 59 children at four preschools. Each was matched with a nonattender on such variables as age, sex, intelligence, and family characteristics. The mean…
Descriptors: Academic Achievement, Cognitive Development, Cognitive Measurement, Early Childhood Education

Cohen, Sarale E.; And Others – Journal of Early Adolescence, 1996
Examined low achievement in normal-or-above intelligence early adolescents born preterm, in a longitudinal study from birth through 12 years of age, compared to a group with no achievement problems. Found significant group differences in several domains in early adolescence. Also found that biological and social factors in infancy were associated…
Descriptors: Academic Achievement, Biological Influences, Early Adolescents, Elementary Education

Dumaret, A. C.; Duyme, M.; Tomkiewicz, S. – Early Child Development and Care, 1998
Examined major discriminating factors for cognitive development in high-IQ and low-IQ children in child care who had been adopted after age four. Found that birth rank, maternal mental retardation, pregnancy/delivery complications, severe prematurity or low birthweight, and number of hospitalizations differentiated the two groups. Over time, IQs…
Descriptors: Adopted Children, At Risk Persons, Cognitive Development, Comparative Analysis

Little, Audrey – Child Development, 1972
Results indicate that within the limitations of this study there is evidence that children with superior" intelligence showed more mature response patterns on Piaget-type tasks than children of the same age with average" intelligence test scores. (Author)
Descriptors: Cognitive Development, Concept Formation, Conservation (Concept), Intelligence Differences

Cunningham, Walter R. – Educational and Psychological Measurement, 1980
Army alpha longitudinal data on the same 96 males tested in 1919, 1950, and 1960 were analyzed in addition to data on 123 undergraduates tested in 1972-4. Young adults in 1919 and 1970 were similar. Results suggest that traditional factor analysis taxonomies for young adults misrepresent elderly persons. (Author/CP)
Descriptors: Adults, Age Differences, Cognitive Development, Factor Analysis