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Rindermann, Heiner; Ceci, Stephen J. – Journal for the Education of the Gifted, 2018
In 19 (sub)samples from seven countries (United States, Austria, Germany, Costa Rica, Ecuador, Vietnam, Brazil), we analyzed the impact of parental education compared with wealth on the cognitive ability of children (aged 4-22 years, total N = 15,297). The background of their families ranged from poor indigenous remote villagers to academic…
Descriptors: Parent Background, Educational Attainment, Parent Child Relationship, Intelligence
Wirtz, Lyndall R. – 1971
Evidence for suggested basic differences in the abstract reasoning capacity of Negro and Caucasian children includes consistent findings of significantly poorer performance by Negroes on Raven's Progressive Matrices (PM). This study investigated the PM performance of Negro children taught algebra via a discovery method of instruction. It was…
Descriptors: Abstract Reasoning, Algebra, Black Youth, Concept Formation