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Why Does Construct Validity Matter in Measuring Implementation Fidelity? A Methodological Case Study
Peer reviewed
Direct linkvan Dijk, Wilhelmina; Huggins-Manley, A. Corinne; Gage, Nicholas A.; Lane, Holly B.; Coyne, Michael – Assessment for Effective Intervention, 2022
In reading intervention research, implementation fidelity is assumed to be positively related to student outcomes, but the methods used to measure fidelity are often treated as an afterthought. Fidelity has been conceptualized and measured in many different ways, suggesting a lack of construct validity. One aspect of construct validity is the…
Descriptors: Construct Validity, Fidelity, Program Implementation, Reading Programs
van Dijk, Wilhelmina; Lane, Holly B.; Gage, Nicholas A. – Elementary School Journal, 2023
Implementation fidelity is often thought of as a necessary condition to achieve internal validity and as having a relation to student outcomes. This relation is increasingly modeled; we reviewed reading intervention studies for students in pre-K-12 in which measures of implementation fidelity were included in final data analysis. A systematic…
Descriptors: Intervention, Fidelity, Reading Achievement, Validity
