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Oliveri, Maria Elena; Ercikan, Kadriye; Lyons-Thomas, Juliette; Holtzman, Steven – Applied Measurement in Education, 2016
Differential item functioning (DIF) analyses have been used as the primary method in large-scale assessments to examine fairness for subgroups. Currently, DIF analyses are conducted utilizing manifest methods using observed characteristics (gender and race/ethnicity) for grouping examinees. Homogeneity of item responses is assumed denoting that…
Descriptors: Test Bias, Language Minorities, Effect Size, Foreign Countries
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Grover, Raman K.; Ercikan, Kadriye – Applied Measurement in Education, 2017
In gender differential item functioning (DIF) research it is assumed that all members of a gender group have similar item response patterns and therefore generalizations from group level to subgroup and individual levels can be made accurately. However DIF items do not necessarily disadvantage every member of a gender group to the same degree,…
Descriptors: Gender Differences, Test Bias, Socioeconomic Status, Reading Achievement