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Causal Models1
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Journal of Educational…1
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Ackerman, Terry A.1
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A Didactic Explanation of Item Bias, Item Impact, and Item Validity from a Multidimensional Perspective.
Peer reviewed Peer reviewed
Ackerman, Terry A. – Journal of Educational Measurement, 1992
The difference between item bias and item impact and the way they relate to item validity are discussed from a multidimensional item response theory perspective. The Mantel-Haenszel procedure and the Simultaneous Item Bias strategy are used in a Monte Carlo study to illustrate detection of item bias. (SLD)
Descriptors: Causal Models, Computer Simulation, Construct Validity, Equations (Mathematics)