Browsing Graduate School - MU Theses and Dissertations (MU) by Title "Robust scale transformation methods in IRT true score equating under common-item nonequivalent groups design"
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Robust scale transformation methods in IRT true score equating under common-item nonequivalent groups design
(University of Missouri--Columbia, 2013)Common test items play an important role in equating multiple test forms under the common-item nonequivalent groups design. Inconsistent item parameter estimates among common items can lead to large bias in equated scores ...