Peer reviewedERIC Number: EJ162691
Record Type: Journal
Publication Date: 1977
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Twins and Siblings: Concordance for School-Age Mental Development
Wilson, Ronald S.
Child Development, 48, 1, 211-216, Mar 77
The analysis of WISC scores for 314 school-age twins and 221 of their siblings revealed high concordance of full-scale and verbal IQ for monozygotic twins. The IQ concordance for dizygotic twins, twin-sibling pairs, and sibling pairs were comparable to each other but significantly lower than that for monozygotic twins. (Author/JMB)
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Identifiers - Assessments and Surveys: Wechsler Intelligence Scale for Children
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