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Broad and Narrow CHC Abilities Measured and Not Measured by the Wechsler Scales: Moving beyond Within-Battery Factor Analysis
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Flanagan, Dawn P.; Alfonso, Vincent C.; Reynolds, Matthew R. – Journal of Psychoeducational Assessment, 2013
In this commentary, we reviewed two clinical validation studies on the Wechsler Scales conducted by Weiss and colleagues. These researchers used a rigorous within-battery model-fitting approach that demonstrated the factorial invariance of the Wechsler Intelligence Scale for Children-Fourth Edition (WISC-IV) and Wechsler Adult Intelligence…
Descriptors: Psychological Studies, Intelligence Tests, Intelligence Quotient, Cognitive Ability
Intelligent Testing with Wechsler’s Fourth Editions: Perspectives on the Weiss et al. Studies and the Eight Commentaries
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Kaufman, Alan S. – Journal of Psychoeducational Assessment, 2013
The two featured articles and eight commentaries on the WISC-IV (Wechsler, 2003) and WAIS-IV (Wechsler, 2008) in this special issue of "Journal of Psychoeducational Assessment" are of exceptional quality. As a collective, this special issue greatly advances the field of cognitive assessment by intelligently synthesizing the best of…
Descriptors: Intelligence Tests, Intelligence Quotient, Cognitive Ability, Cognitive Measurement
Further Understanding of Complex Information Processing in Verbal Adolescents and Adults with Autism Spectrum Disorders
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Williams, Diane L.; Minshew, Nancy J.; Goldstein, Gerald – Autism: The International Journal of Research and Practice, 2015
More than 20?years ago, Minshew and colleagues proposed the Complex Information Processing model of autism in which the impairment is characterized as a generalized deficit involving multiple modalities and cognitive domains that depend on distributed cortical systems responsible for higher order abilities. Subsequent behavioral work revealed a…
Descriptors: Autism, Pervasive Developmental Disorders, Late Adolescents, Adults
Statistical Weaknesses of a Unitary Construct of Intelligence.
Horn, John L. – 1979
A brief discussion of theories of general intelligence precedes a report of relevant empirical data. Results from the factor analysis of more than 20 sets of Wechsler Adult Intelligence Scale (WAIS) data indicate that the WAIS clearly is not a one-factor scale. It does not measure a single, general intelligence. Roughly 17 percent of the reliable…
Descriptors: Factor Analysis, Intellectual Development, Intelligence, Intelligence Quotient
Speed of Information Processing and General Intelligence.
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Vernon, Philip A. – Intelligence, 1983
This study investigated the relationship between measures of speed of cognitive information processing and intelligence test scores. Cognitive processing measures were significantly related to IQ scores. Reaction time tests measure cognitive operations basic to intelligence, and individual differences in intelligence are partly due to variability…
Descriptors: Cognitive Processes, Correlation, Factor Analysis, Higher Education