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Hallberg, Kelly; Williams, Ryan; Swanlund, Andrew; Eno, Jared – Educational Researcher, 2018
Short comparative interrupted times series (CITS) designs are increasingly being used in education research to assess the effectiveness of school-level interventions. These designs can be implemented relatively inexpensively, often drawing on publicly available data on aggregate school performance. However, the validity of this approach hinges on…
Descriptors: Educational Research, Research Methodology, Comparative Analysis, Time