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ERIC Number: EJ184193
Record Type: Journal
Publication Date: 1977
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Best Procedures for Sample-Free Item Analysis
Wright, Benjamin D.; Douglas, Graham A.
Applied Psychological Measurement, 1, 2, 281-95, Spr 77
A procedure for obtaining Rasch model estimates of item difficulty and of ability is detailed. The procedure approximates the optimal but difficult to obtain "unconditional" estimates. (JKS)
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