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Direct linkHitchcock, John H.; Johanson, George A. – Research in the Schools, 2015
Understanding the reason(s) for Differential Item Functioning (DIF) in the context of measurement is difficult. Although identifying potential DIF items is typically a statistical endeavor, understanding the reasons for DIF (and item repair or replacement) might require investigations that can be informed by qualitative work. Such work is…
Descriptors: Mixed Methods Research, Test Items, Item Analysis, Measurement
