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Multiple‐group factor analysis of the Wechsler Intelligence Scale for Children
Author(s) -
Ramanaiah Nerella V.,
O'Donnell James P.,
Ribich Fred
Publication year - 1976
Publication title -
journal of clinical psychology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.124
H-Index - 119
eISSN - 1097-4679
pISSN - 0021-9762
DOI - 10.1002/1097-4679(197610)32:4<829::aid-jclp2270320421>3.0.co;2-v
Subject(s) - wechsler adult intelligence scale , psychology , wechsler intelligence scale for children , wechsler preschool and primary scale of intelligence , intelligence quotient , developmental psychology , confirmatory factor analysis , psychometrics , clinical psychology , cognition , statistics , psychiatry , structural equation modeling , mathematics
Confirmatory factor analyses were performed on the intercorrelations among the 12 tests of the WISC and WISC‐R separately for age levels 7.5, 10.5, and 13.5 to test Wechsler's (1958) hypothesis that verbal and performance factors underlie these tests. At all three age levels, verbal and performance factors that accounted for approximately 50% of the total variance emerged clearly. These results provide strong empirical support for Wechsler's hypothesis.