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Improving the Measurement of School Climate Using Item Response Theory

NCJ Number
254718
Date Published
2019
Length
9 pages
Author(s)
Sarah Lindstrom Johnson; Ray E. Reichenberg; Kathan Shukla; Tracy E. Waasdorp; Catherine P. Bradshaw
Agencies
NIJ-Sponsored
Publication Type
Research (Applied/Empirical), Report (Study/Research), Report (Grant Sponsored), Program/Project Description
Grant Number(s)
2014-CK-BX-0005
Annotation
To better inform the research and practice related to school climate and its measurement, this study leveraged item response theory (IRT), a commonly used psychometric approach for the design of achievement assessments, to create a parsimonious measure of school climate that operates across varying individual characteristics.
Abstract
The U.S. government has become increasingly focused on school climate, as recently evidenced by its inclusion as an accountability indicator in the Every Student Succeeds Act. Yet, there remains considerable variability in both conceptualizing and measuring school climate. Students (n = 69,513) in 111 secondary schools completed a school climate assessment focused on three domains of climate (i.e., safety, engagement, and environment), as defined by the U.S. Department of Education. Item and test characteristics were estimated using the mirt package in R using unidimensional IRT. Analyses revealed measurement difficulties that resulted in a greater ability to assess less favorable perspectives on school climate. Differential item functioning analyses indicated measurement differences based on student academic success. These findings support the development of a broad measure of school climate, but also highlight the importance of work to ensure precision in measuring school climate, particularly when considering use as an accountability measure. 4 tables, 2 figures, and 43 references (publisher abstract modified)
Date Created: July 20, 2021