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Probabilistic Approaches to Examining Linguistic Features of Test Items and Their Effect on the Performance of English Language Learners
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Solano-Flores, Guillermo – Applied Measurement in Education, 2014
This article addresses validity and fairness in the testing of English language learners (ELLs)--students in the United States who are developing English as a second language. It discusses limitations of current approaches to examining the linguistic features of items and their effect on the performance of ELL students. The article submits that…
Descriptors: English Language Learners, Test Items, Probability, Test Bias
An Analytic Comparison of Effect Sizes for Differential Item Functioning
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Demars, Christine E. – Applied Measurement in Education, 2011
Three types of effects sizes for DIF are described in this exposition: log of the odds-ratio (differences in log-odds), differences in probability-correct, and proportion of variance accounted for. Using these indices involves conceptualizing the degree of DIF in different ways. This integrative review discusses how these measures are impacted in…
Descriptors: Effect Size, Test Bias, Probability, Difficulty Level
An Empirical Examination of the Impact of Group Discussion and Examinee Performance Information on Judgments Made in the Angoff Standard-Setting Procedure
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Clauser, Brian E.; Harik, Polina; Margolis, Melissa J.; McManus, I. C.; Mollon, Jennifer; Chis, Liliana; Williams, Simon – Applied Measurement in Education, 2009
Numerous studies have compared the Angoff standard-setting procedure to other standard-setting methods, but relatively few studies have evaluated the procedure based on internal criteria. This study uses a generalizability theory framework to evaluate the stability of the estimated cut score. To provide a measure of internal consistency, this…
Descriptors: Generalizability Theory, Group Discussion, Standard Setting (Scoring), Scoring
Comments on Holland and Wainer's "Sources of Uncertainty Often Ignored in Adjusting State Mean SAT Scores for Differential Participation Rates: The Rules of the Game."
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Edwards, Don; Cummings, Cynthia B. – Applied Measurement in Education, 1990
An evolved form of the Edwards and Beckworth (1989) model for probability selection for Scholastic Achievement Test takers using truncated normal distributions is presented. It is shown that the arguments of Holland and Wainer are not sufficient to reject this model. (SLD)
Descriptors: College Entrance Examinations, Models, Participation, Probability