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Exploring the Factor Structure of a K-12 English Language Proficiency Assessment
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Faulkner-Bond, Molly; Wolf, Mikyung Kim; Wells, Craig S.; Sireci, Stephen G. – Language Assessment Quarterly, 2018
In this study we investigated the internal factor structure of a large-scale K--12 assessment of English language proficiency (ELP) using samples of fourth- and eighth-grade English learners (ELs) in one state. While U.S. schools are mandated to measure students' ELP in four language domains (listening, reading, speaking, and writing), some ELP…
Descriptors: Factor Structure, Language Tests, Language Proficiency, Grade 4
Studying Mathematical Literacy through the Lens of PISA's Assessment Framework
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Ekmekci, Adem; Carmona, Guadalupe – North American Chapter of the International Group for the Psychology of Mathematics Education, 2014
Accurate interpretations of large-scale assessment results and sound judgments about students' mathematical literacy depend on these assessments' validity and reliability. One important type of evidence towards this validation is the dimensionality analysis, which explores the conformity between the intended factorial structure (related closely to…
Descriptors: Numeracy, Achievement Tests, Foreign Countries, International Assessment
WAIS-IV and WISC-IV Structural Validity: Alternate Methods, Alternate Results. Commentary on Weiss et al. (2013a) and Weiss et al. (2013b)
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Canivez, Gary L.; Kush, Joseph C. – Journal of Psychoeducational Assessment, 2013
Weiss, Keith, Zhu, and Chen (2013a) and Weiss, Keith, Zhu, and Chen (2013b), this issue, report examinations of the factor structure of the Wechsler Adult Intelligence Scale-Fourth Edition (WAIS-IV) and Wechsler Intelligence Scale for Children-Fourth Edition (WISC-IV), respectively; comparing Wechsler Hierarchical Model (W-HM) and…
Descriptors: Intelligence Tests, Factor Structure, Comparative Analysis, Arithmetic
Confirmatory Factor Analysis of the WAIS-R: Plausibility of Models.
Plake, Barbara S.; And Others – 1983
A confirmatory factor analysis was used to determine the respective viability of factor structure models for the Wechsler Adult Intelligence Scale-Revised (WAIS-R) standardization data. The traditional verbal-performance split was compared to an alternative model proposed by Gutkin, Reynolds and Galvin. The confirmatory analysis indicated that the…
Descriptors: Adults, Factor Analysis, Factor Structure, Goodness of Fit
Adjusting for Confounding Factors in Quasi-Experiments: Another Reanalysis of the Westinghouse Head Start Evaluation.
Magidson, Jay; Sorbom, Dag – 1980
Evaluations of social programs based upon quasi-experimental designs are typically plagued by problems of nonequivalence between the experimental and comparison group prior to the experiment. In such settings it is extremely difficult, if not impossible, to isolate the effects of the program from the confounding effects associated with the…
Descriptors: Control Groups, Correlation, Evaluation Methods, Experimental Groups
The Internal Construct Validity of the SAT across Handicapped and Nonhandicapped Populations.
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Rock, Donald A.; And Others – 1985
The comparability of Scholastic Aptitude Test (SAT) Verbal and Mathematical scores was investigated for one nonhandicapped and nine handicapped populations. The handicapped populations included hearing impaired, visually impaired, learning disabled, and physically disabled students. Special methods of test administration included Braille and large…
Descriptors: College Entrance Examinations, Disabilities, Factor Structure, Goodness of Fit