APA-viite

Penfield, R. D. How are the form and magnitude of DIF effects in multiple-choice items determined by distractor-level invariance effects ?

Chicago-tyylinen lähdeviittaus

Penfield, Randall D. How Are the Form and Magnitude of DIF Effects in Multiple-choice Items Determined By Distractor-level Invariance Effects ?

MLA-viite

Penfield, Randall D. How Are the Form and Magnitude of DIF Effects in Multiple-choice Items Determined By Distractor-level Invariance Effects ?

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