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A Four- and Five-Factor Structural Model for Wechsler Tests: Does It Really Matter Clinically?
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Schwartz, David M. – Journal of Psychoeducational Assessment, 2013
The purpose of this commentary is to focus on the clinical utility of the four- and five-factor structural models for the Wechsler Adult Intelligence Scale-Fourth Edition (WAIS-IV) and Wechsler Intelligence Scale for Children-Fourth Edition (WISC-IV). It provides a discussion of important considerations when evaluating the clinical utility of the…
Descriptors: Factor Structure, Intelligence, Intelligence Tests, Psychometrics
Differential Inheritance of Mental Abilities in the Texas Adoption Project.
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Loehlin, John C.; And Others – Intelligence, 1994
Correlations on subscales of Wechsler intelligence quotient tests and the Revised Beta Examination were obtained for biologically related and unrelated individuals in 181 adoptive families in the Texas Adoption Project. Generally higher correlations for biologically related individuals support the importance of genetic influence in intellectual…
Descriptors: Adopted Children, Adoption, Cognitive Ability, Correlation
IQ Change and Occupational Level: A Longitudinal Study with Third Harvard Growth Study Participants.
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Dauphinais, Sarah M.; Bradley, Richard W. – Journal of Vocational Behavior, 1979
Participants in a longitudinal study, selected according to Stanford-Binet Intelligence Test scores administered in the 1930s, and their occupations, took the Wechsler Adult Intelligence Scale. Data suggest persons increase in mental abilities over time while maintaining IQ positions relative to peers. Changes in IQ are not related to occupational…
Descriptors: Cognitive Development, Individual Differences, Intelligence, Intelligence Tests
Age and WAIS-R Intelligence in a National Sample of Adults in the 20- to 74-Year Age Range: A Cross-Sectional Analysis with Educational Level Controlled.
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Kaufman, Alan S.; And Others – Intelligence, 1989
Age differences in intellect as reflected in performance on the revised Wechsler Adult Intelligence Scale (WAIS-R) from age 20 to 74 years were evaluated for 1,480 adults from the WAIS-R standardization sample, while educational levels were held constant. Implications of the results for intelligence testing are discussed. (SLD)
Descriptors: Adults, Age Differences, Cross Sectional Studies, Educational Attainment