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Download full textSinharay, Sandip; Dorans, Neil J.; Grant, Mary C.; Blew, Edwin O.; Knorr, Colleen M. – ETS Research Report Series, 2006
The application of the Mantel-Haenszel test statistic (and other popular DIF-detection methods) to determine DIF requires large samples, but test administrators often need to detect DIF with small samples. There is no universally agreed upon statistical approach for performing DIF analysis with small samples; hence there is substantial scope of…
Descriptors: Test Bias, Computation, Sample Size, Bayesian Statistics
