Parental problem-solving speed as a correlate of intelligence in parents and their adopted and natural children

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300 families of adoptive parents and their 5-15 yr old adoptive and natural children took the age-appropriate form of the WAIS or the WISC. An index of speed of problem solving was obtained for each parent based on the times taken to solve easy problems of the Block Design subtest. Speed of solution correlated .26 with Verbal IQ and .51 with Performance IQ among the parents. Parental speed was then correlated with the subtest scores of their children on the WISC. Although mothers' speed correlated negligibly with the scores of adoptive and natural children, fathers' speed correlated more positively with their natural children's Performance scores than with their adopted children's scores. Results suggest a relationship of parental problem-solving speed to children's intellectual performance. (17 ref) (PsycINFO Database Record (c) 2006 APA, all rights reserved)

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