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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
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Rindermann, Heiner – Intelligence, 2008
Cognitive abilities are important for the economic and non-economic success of individuals and societies. For international analyses, the collection of IQ-measures from Lynn and Vanhanen was supplemented and meliorated by data from international student assessment studies (IEA-Reading, TIMSS, PISA, PIRLS). The cognitive level of a nation is highly…
Descriptors: Intelligence, Economic Factors, Cognitive Development, Cognitive Ability