In Event: Roundtable Session 26

SIG-Rasch Measurement

Kwang-Lee Chu, Pearson

Effect of Missing Data in Computerized Adaptive Testing on Accuracy of Item Parameter Estimation: A Comparison of NWEA (Northwest Evaluation Association) and WINSTEPS Item Parameter Calibration Procedures - Shudong Wang, NWEA; Gregg Harris, Northwest Evaluation Association

Using Rasch Measurement Theory to Validate the Student Performance Character and Student Moral Character Scales - Jade Caines, University of Pennsylvania

The Development of the TELCA (Teaching Economic Literacy: Confidence and Anxiety) Scale - Julia Rollison; Larry H. Ludlow, Boston College

The Effects of Sample Selection on Item Parameter Estimation - Lixiong Gu, ETS; Venessa F. Lall, ETS; Maxwell D. Wise, ETS

Cognitive Diagnostic Assessment of TIMSS (Trends in International Mathematics and Science Study) 2007 Mathematics Achievement Items for Eighth Graders in Turkey - Turker Toker, University of Denver; Kathy E. Green, University of Denver