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Download full textClauser, Brian; And Others – 1992
Previous research examining the effects of reducing the number of score groups used in the matching criterion of the Mantel-Haenszel procedure, when screening for differential item functioning, has produced ambiguous results. The goal of this study was to resolve the ambiguity by examining the problem with a simulated data set. The main results…
Descriptors: Ability, Comparative Analysis, Computer Simulation, Item Bias
Peer reviewedClauser, Brian; And Others – Journal of Educational Measurement, 1994
The effect of reducing the number of score groups in the matching criterion of the Mantel-Haenszel procedure when screening for differential item functioning was investigated with a simulated data set. Results suggest that more than modest reductions cannot be recommended when ability distributions of reference and focal groups differ. (SLD)
Descriptors: Ability, Experimental Groups, Item Bias, Reference Groups
