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Peer reviewedLocurto, Charles – Intelligence, 1990
Adoption studies were reviewed for evidence of the malleability of intelligence quotient (IQ). Although moderate estimates range between 20 and 25 points, it is argued that the standard adoption study provides little evidence about IQ malleability and that a major study of contrasted environments yields even more conservative estimates. (SLD)
Descriptors: Adopted Children, Foreign Countries, Intelligence Quotient, Literature Reviews
