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Zhang, Yanling – 2002
A study was conducted to investigate how differential item functioning (DIF) is associated with student characteristics such as gender and ethnicity for the total group and to understand the pattern and nature of existing group differences by conducting DIF analyses separately within gender and ethnicity. The research is unique in that it…
Descriptors: Achievement Tests, Elementary Secondary Education, Ethnicity, Item Bias
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