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Luke Keele; Matthew Lenard; Lindsay Page – Journal of Research on Educational Effectiveness, 2021
Many interventions in education occur in settings where treatments are applied to groups. For example, a reading intervention may be implemented for all students in some schools and withheld from students in other schools. When such treatments are nonrandomly allocated, outcomes across the treated and control groups may differ due to the treatment…
Descriptors: Observation, Educational Research, Regression (Statistics), Multivariate Analysis