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General Intelligence and Specific Cognitive Abilities in Adolescence: Tests of Age Differentiation, Ability Differentiation, and Their Interaction in Two Large Samples
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Breit, Moritz; Brunner, Martin; Preckel, Franzis – Developmental Psychology, 2020
Differentiation of intelligence refers to changes in the structure of intelligence that depend on individuals' level of general cognitive ability (ability differentiation hypothesis) or age (developmental differentiation hypothesis). The present article aimed to investigate ability differentiation, developmental differentiation, and their…
Descriptors: Intelligence, Cognitive Ability, Adolescents, Age Differences
Parents' Education Is More Important than Their Wealth in Shaping Their Children's Intelligence: Results of 19 Samples in Seven Countries at Different Developmental Levels
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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