2 edition of Effects of item difficulty heterogeneity on the estimation of true-score and classification consistency found in the catalog.
Effects of item difficulty heterogeneity on the estimation of true-score and classification consistency
Judith A Spray
|Statement||Judith A. Spray, Catherine J. Welch|
|Series||ACT research report series -- 87-11, ACT research report -- 87-11|
|Contributions||Welch, Catherine J, American College Testing Program|
|The Physical Object|
|Pagination||19 p. ;|
|Number of Pages||19|
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