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Download full textKubiak, Anna T.; Cowell, William R. – 1990
A procedure used to average several Mantel-Haenszel delta difference values for an item is described and evaluated. The differential item functioning (DIF) procedure used by the Educational Testing Service (ETS) is based on the Mantel-Haenszel statistical technique for studying matched groups. It is standard procedure at ETS to analyze test items…
Descriptors: Difficulty Level, Elementary Secondary Education, Equated Scores, Item Bias
Welch, Catherine; And Others – 1989
The differential performance of black and white college freshmen on a direct measure of writing skills, the essay portion of the American College Testing Program's Collegiate Assessment of Academic Proficiency (CAAP), was studied. The data consisted of responses of a sample of 998 black and 3,727 white examinees to two individual prompts for…
Descriptors: Black Students, College Freshmen, Comparative Testing, Essay Tests
Elliott, Emerson J. – 1993
An outline of remarks made at a National Seminar on Equity and Educational Testing and Assessment in March of 1993 is provided. Issues of equity in education and educational assessment are discussed in the context of the National Assessment of Educational Progress (NAEP). The NAEP is a national test in the sense that it monitors what is happening…
Descriptors: Educational Assessment, Educational Trends, Elementary Secondary Education, Equal Education
Rock, Donald A.; And Others – 1985
The Educational Testing Service (ETS) was contracted by the National Center for Education Statistics to investigate changes in tested achievement using cross-sectional comparisons between the 1972 National Longitudinal Study (NLS) seniors and the 1980 High School and Beyond (HSB) senior cohort. The ETS is also responsible for estimating the extent…
Descriptors: Achievement Tests, Cohort Analysis, Comparative Testing, Ethnicity
