2. Psychometricians at ETS no doubt know a lot about IRT procedures. In fact, ETS psychometricians were
Question:
2. Psychometricians at ETS no doubt know a lot about IRT procedures.
In fact, ETS psychometricians were among the earlier pioneers in IRT research and development. Why, then, do you think they opted not to use IRT procedures to assess DIF in this instance?
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Related Book For 
Measurement Theory In Action
ISBN: 9780415644792
2nd Edition
Authors: David Whitney, Kenneth S Shultz, Michael J Zickar
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