RATE TO MEASURE MATHEMATICS TEACHING: USING THE MANY-FACET RASCH MODELING TO REEVALUATE THE MATHEMATICS CLASSROOM OBSERVATION PROTOCOL FOR PRACTICES (MCOP2)

Chunling Niu
Rater-mediated classroom observation protocols are increasingly being used for teaching performance assessments, which makes identifying and controlling for various rater effects a central issue to ensure the rating quality. A series of validation studies under the classical test theory framework, including content validity, interrater reliability, and structure analysis, have been completed for the 16-item Mathematics Classroom Observation Protocol for Practices (MCOP2). However, the MCOP2 data have never been investigated under the Rasch framework. Due to...
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