Factor analysis of the WAIS and twenty French-kit reference tests
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Factor analysis of the WAIS and twenty French-kit reference tests
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1978
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Article
Abstract
Over a 3-year period, 20 reference tests were
given to 114 undergraduate students ranging in age
from 18 to 46. The WAIS was given to 107 of the
students. Maximum likelihood factor analysis was
performed on the 31-variable correlation matrix
formed by the 11 WAIS subscales and 20 reference
tests. A maximum likelihood test of significance
supported the hypothesis of 10 factors. Significant
split-sample factor reliabilities and WAIS subscale
loadings were found on all 10 factors. The rotated
factors in order of explained variance were Verbal
Comprehension, Visualization, Memory Span,
Syllogistic Reasoning, General Reasoning, Induction,
Mechanical Knowledge, Number Facility, Spatial
Orientation, and Associative Memory. The
apparent contradictions between many previous
analyses of the WAIS are discussed and a unified
interpretation is presented.
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Previously Published Citation
Ramsey, Philip H. (1978). Factor analysis of the WAIS and twenty French-kit reference tests. Applied Psychological Measurement, 2, 505-517. doi:10.1177/014662167800200405
Other identifiers
doi:10.1177/014662167800200405
Suggested citation
Ramsey, Philip H.. (1978). Factor analysis of the WAIS and twenty French-kit reference tests. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/99444.
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