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Bremner, Dawn; McTaggart, Breanne; Saklofske, Donald H.; Janzen, Troy – Canadian Journal of School Psychology, 2011
The General Ability Index (GAI) and Cognitive Proficiency Index (CPI) are two index scores that can be calculated for the Wechsler Intelligence Scale for Children-Fourth Canadian Edition (WISC-IV[superscript CDN]). The GAI comprises the verbal comprehension and perceptual reasoning subtests and reflects reasoning abilities. The CPI includes the…
Descriptors: Cognitive Ability, Intelligence Tests, Short Term Memory, Psychoeducational Methods
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Schluchter, Mark D. – Multivariate Behavioral Research, 2008
In behavioral research, interest is often in examining the degree to which the effect of an independent variable X on an outcome Y is mediated by an intermediary or mediator variable M. This article illustrates how generalized estimating equations (GEE) modeling can be used to estimate the indirect or mediated effect, defined as the amount by…
Descriptors: Intervals, Predictor Variables, Equations (Mathematics), Computation
Benmaman, Virginia; Schenck, Susan J. – 1986
This 3-year research project sought to determine whether language differences between Gullah-influenced and English speaking students in Charleston County (South Carolina) influenced test performance and subsequent interpretation of test results. A sample population of 503 educable mentally handicapped, learning disabled, and regular students…
Descriptors: Black Dialects, Educational Diagnosis, Elementary Education, English (Second Language)