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Chen, Hsinyi; Zhu, Jianjun; Liao, Yung-Kun; Keith, Timothy Z. – Journal of Psychoeducational Assessment, 2020
This study investigated the factorial invariance of the Taiwan Wechsler Intelligence Scale for Children, Fifth Edition (WISC-V) across age and gender. A higher order five-factor model was tested on a nationally representative sample of 1,034 children aged 6-16 years. The results demonstrated full factorial invariance for Taiwan children of…
Descriptors: Foreign Countries, Children, Intelligence Tests, Adolescents
Weiss, Lawrence G.; Gregoire, Jacques; Zhu, Jianjun – Journal of Psychoeducational Assessment, 2016
Many Flynn effect (FE) studies compare scores across different editions of Wechsler's IQ tests. When construct changes are introduced by the test developers in the new edition, however, the presumed generational effects are difficult to untangle from changes due to test content. To remove this confound, we use the same edition of Wechsler…
Descriptors: Generational Differences, Intelligence Tests, Comparative Analysis, Scores
Miller, Jessie L.; Weiss, Lawrence G.; Beal, A. Lynne; Saklofske, Donald H.; Zhu, Jianjun; Holdnack, James A. – Journal of Psychoeducational Assessment, 2015
It is well established that Canadians produce higher raw scores than their U.S. counterparts on intellectual assessments. As a result of these differences in ability along with smaller variability in the population's intellectual performance, Canadian normative data will yield lower standard scores for most raw score points compared to U.S. norms.…
Descriptors: Foreign Countries, Intelligence Tests, Test Norms, Raw Scores
Weiss, 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
Weiss, Lawrence G.; Keith, Timothy Z.; Zhu, Jianjun; Chen, Hsinyi – Journal of Psychoeducational Assessment, 2013
This discussion article addresses issues related to expansion of the Wechsler model from four to five factors; multiple broad CHC abilities measured by the Arithmetic subtest; advantages and disadvantages of including complex tasks requiring integration of multiple broad abilities when measuring intelligence; limitations of factor analysis, which…
Descriptors: Measures (Individuals), Intelligence Tests, Brain Hemisphere Functions, Neurological Organization
Weiss, Lawrence G.; Keith, Timothy Z.; Zhu, Jianjun; Chen, Hsinyi – Journal of Psychoeducational Assessment, 2013
The fourth edition of the Wechsler Adult Intelligence Scale (WAIS-IV) is a revised and substantially updated version of its predecessor. The purposes of this research were to determine the constructs measured by the test and the consistency of measurement across large normative and clinical samples. Competing higher order WAIS-IV four- and…
Descriptors: Intelligence Tests, Measures (Individuals), Adults, Factor Analysis
Zhu, Jianjun; Chen, Hsinyi – Journal of Psychoeducational Assessment, 2013
This study examined empirical evidence for clinical utility of the Wechsler Intelligence Scale for Children, fourth edition (WISC-IV) cancellation subtest by comparing data from 597 clinical and 597 matched control children. The results of dependent t and sequential logistic regression analyses demonstrated that (a) children with intellectual…
Descriptors: Intelligence Tests, Visual Measures, Clinical Diagnosis, Children
Zhu, Jianjun; Chen, Hsin-Yi – Journal of Psychoeducational Assessment, 2011
We examined the utility of inferential norming using small samples drawn from the larger "Wechsler Intelligence Scales for Children-Fourth Edition" (WISC-IV) standardization data set. The quality of the norms was estimated with multiple indexes such as polynomial curve fit, percentage of cases receiving the same score, average absolute…
Descriptors: Sample Size, Intelligence Tests, Test Norms
Zhou, Xiaobin; Zhu, Jianjun; Weiss, Lawrence G. – Journal of Psychoeducational Assessment, 2010
This study investigated the Wechsler Performance IQ (PIQ) or Perceptual Reasoning Index (PRI)/ Perceptual Organization Index (POI) change over time and its relation to ability levels. PIQ or PRI/ POI was analyzed because of the known sensitivity of nonverbal scales to the Flynn effect. Scores were analyzed using two methods. First, analysis of…
Descriptors: Intelligence Quotient, Intelligence Tests, Age Differences, Change