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Nelissen, Jo M. C. – Education and Society, 2021
In this article, it is argued that it makes sense to define and distinguish three levels of human intelligence: intelligence as genotypical potential, intelligence as actualised in environmental interaction, and intelligence as measured by tests (IQ). This raises the questions of what is meant by the term "intelligence as potential", and…
Descriptors: Genetics, Intelligence Quotient, Parent Influence, Individual Characteristics
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Stromswold, Karin – Cognition, 2006
Results of twin studies clearly demonstrate that genetic factors play an important role in the rate of language acquisition and linguistic proficiency attained by normal and impaired children and adults [see Stromswold, K. (2001). The heritability of language: A review and meta-analysis of twin, adoption and linkage studies. "Language," 77,…
Descriptors: Twins, Genetics, Language Acquisition, Heredity