The Generalizability of Item Parameters Across Lessons
Publication information:
Kelcey, B., McGinn, D., Hill, H. C., & Charalambous, C. (n.d.). The Generalizability of Item Parameters Across Lessons.
Abstract
The purpose of this study is to investigate three aspects of construct validity for the Mathematical Quality of Instruction classroom observation instrument: (1) the dimensionality of scores, (2) the generalizability of these scores across districts, and (3) the predictive validity of these scores in terms of student achievement.