Screening Items for Bias: An Empirical Comparison of the Performance of Three Indices in Small Samples of Examinees

Jeffrey D. Kromrey; Cynthia G. Parshall

A Monte Carlo study was conducted to compare the performance of three statistical indices of test item bias in small samples of examinees. The statistical indices compared were the Delta method, the Mantel-Haenszel (MH) method, and the...

Nearest Neighbors, Simple Strata, and Probabilistic Parameters: An Empirical Comparison of Methods for Item Exposure Control in CATs

Cynthia G. Parshall; Jeffrey D. Kromrey; J Christine Harmes; Christina Sentovich

Annual Meeting of the National Council on Measurement in Education (NCME) 2001 (April 2001)

Computerized adaptive tests (CATs) are efficient because of their optimal item selection procedures that target maximally informative items at each estimated ability level. However, operational administration of these optimal CATs results in a...