The Tripod School Climate Index: Evidence of Score Reliability and Validity
Objective
We examined the between-school psychometric properties of Tripod School Climate Index (TSCI) scores.
Methods
Reliability and validity are examined using data from nearly 18,000 students and 1500 teachers. Internal consistency and test-retest reliability are examined, and generalizability-theory derived procedures are used along with longitudinal multivariate regression. Controls for school composition are included.
Results
TSCI scores consistently capture 2 key dimensions of school climate ‐ safety and relationships. However, stability over time is somewhat biased by school composition.
Conclusions
The TSCI appears well-suited for organizational analyses. Scores meet key United States requirements for alternate indicators of school quality. However, controls for school composition are advisable when using the index to monitor change over time or predict important school outcomes.
We examined the between-school psychometric properties of Tripod School Climate Index (TSCI) scores.
Methods
Reliability and validity are examined using data from nearly 18,000 students and 1500 teachers. Internal consistency and test-retest reliability are examined, and generalizability-theory derived procedures are used along with longitudinal multivariate regression. Controls for school composition are included.
Results
TSCI scores consistently capture 2 key dimensions of school climate ‐ safety and relationships. However, stability over time is somewhat biased by school composition.
Conclusions
The TSCI appears well-suited for organizational analyses. Scores meet key United States requirements for alternate indicators of school quality. However, controls for school composition are advisable when using the index to monitor change over time or predict important school outcomes.
Keywords: Tripod School Climate Index; psychometric measures; school climate; school quality measures
Document Type: Research Article
Affiliations: 1: Tripod Education Partners, Cambridge, MA, USA 2: Adjunct Lecturer in Public Policy, John F. Kennedy School of Government, Harvard University, Cambridge, MA, USA
Publication date: 01 July 2018
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