Evaluating Subpopulation Invariance of Linking Functions to Determine the Anchor Composition for a Mixed-Format Test NEAT
- Author(s):
-
Kim, Sooyeon;
Walker, Michael E.
- Publication Year:
- 2009
- Report Number:
-
RR-09-36
- Source:
-
ETS Research Report
- Document Type:
- Report
- Page Count:
- 24
- Subject/Key Words:
-
Mixed-Format Test,
Non-Equivalent-Groups Anchor Test (NEAT) Design,
Gender Differences,
Subpopulation Invariance,
Equating,
Multiple-Choice Items,
Constructed-Response Items
Abstract
The research reinforces subpopulation invariance indices as a means of determining the adequacy of the anchor.
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