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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
Gender and Achievement--Understanding Gender Differences and Similarities in Mathematics Assessment.
Zhang, Liru; Manon, Jon – 2000
The primary objective of this study was to investigate overall patterns of gender differences and similarities of test performance in mathematics. To achieve that objective, observed test scores on the Delaware standards-based assessment were analyzed to examine: (1) gender differences and similarities across grades 3, 5, 8 and 10 over 2 years;…
Descriptors: Academic Standards, Elementary School Students, Elementary Secondary Education, Mathematics Achievement
