@report {576801, title = {The Generalizability of Item Parameters Across Lessons}, year = {Working Paper}, note = {

Presented at the 2014 National Council on Measurement in Education (NCME) Annual Meeting, Philadelphia, PA.

}, 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.

}, author = {Ben Kelcey and Dan McGinn and Heather C. Hill and Charalambos Charalambous} }