Items by Design: The Impact of Systematic Feature Variation on Item Statistical Characteristics

Author(s):: Enright, Mary K.; Morley, Mary E.; Sheehan, Kathleen M.
Publication Year:: 2002
Source:: Applied Measurement in Education, v15 n1 p49-74, 2002
Document Type:: Article
Page Count:: 25
Subject/Key Words:: Item Statistical Characteristics, Sytematic Feature Variation, Sample Size, Pretest, Performance Data

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