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Peer reviewed
Direct linkWeiss, Lawrence G.; Keith, Timothy Z.; Zhu, Jianjun; Chen, Hsinyi – Journal of Psychoeducational Assessment, 2013
The purpose of this study was to determine the constructs measured by the WISC-IV and the consistency of measurement across large normative and clinical samples. Competing higher order four- and five-factor models were analyzed using the WISC-IV normative sample and clinical subjects. The four-factor solution is the model published with the test…
Descriptors: Measures (Individuals), Logical Thinking, Validity, Factor Analysis
Adult Dyslexia and Attention Deficit Disorder in Finland--Project DyAdd: WAIS-III Cognitive Profiles
Laasonen, Marja; Leppamaki, Sami; Tani, Pekka; Hokkanen, Laura – Journal of Learning Disabilities, 2009
The project Adult Dyslexia and Attention Deficit Disorder in Finland (Project DyAdd) compares adults (n = 119, 18-55 years) with dyslexia, attention-deficit/hyperactivity disorder (ADHD), dyslexia together with ADHD (comorbid), and healthy controls with neuropsychological, psychophysical, and biological methods. The focus of this article is on the…
Descriptors: Dyslexia, Attention Deficit Hyperactivity Disorder, Short Term Memory, Multivariate Analysis
