Using generalizability theory, this study examined both the rating variability and reliability of ESL students' writing in the provincial English examinations in Canada. Three years' data were used in order to complete the analyses and examine the stability of the results. The major research question that guided this study was: Are there any…

Models proposed by Cleary, Thorndike, Cole, Linn, Einhorn and Bass, Darlington, and Gross and Su for analyzing bias in the use of tests in a selection strategy are surveyed. Several additional models are also introduced. The purpose is to describe, compare, contrast, and evaluate these models while extracting such useful ideas as may be found in…

Research on assessing the cultural fairness of individual test items is reviewed, with emphasis on Birnbaum's three-parameter logistic model. As defined in this review, differential item characteristics are exhibited when examinees from one group have a lower probability of answering correctly than do examinees of equal ability from another group.…

Nine papers are presented that focus on the Raven Progressive Matrices tests. An overview of research on the Progressive Matrices; a review of international norming studies; recent data from China, Hong Kong, Brazil, New Zealand, and Australia; and a comparison of data for retarded and nonretarded children are presented. (SLD)

This pair of studies investigated the psychometric adequacy of the Wechsler Intelligence Scale for Children - Revised (WISC-R) with a population of 8,396 potentially gifted elementary children of diverse ethnic and cultural backgrounds as well as diverse emotional and social environments. Study I showed subjects' profiles differed strikingly from…

Four simulated mathematical and verbal test forms were produced by test assembly procedures proposed in legislative bills in California and New York in 1986 to minimize differences between majority and minority scores. Item response theory analyses of data for about 22,000 black and 28,000 White high-school students were conducted. (SLD)