Reports

Intellectual Potential and Heredity

Science  10 Feb 1961:
Vol. 133, Issue 3450, pp. 378-380
DOI: 10.1126/science.133.3450.378

Abstract

When infant developmental quotients are compared with children's intelligence quotients, it appears that most subnormality is manifested only at the later age. This phenomenon has been cited as evidence that environment chiefly determines intelligence, but the argument is circular. A helpful approach to the nature-nurture problem is afforded by the geneticists' concept of reaction norms or "reaction repertoires."

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