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Jones, Ryan Seth – Society for Research on Educational Effectiveness, 2013
Estimates of fidelity of implementation are essential to interpret the effects of educational interventions in randomized controlled trials (RCTs). While random assignment protects against many threats to validity, and therefore provides the best approximation to a true counterfactual condition, it does not ensure that the treatment condition…
Descriptors: Fidelity, Construct Validity, Program Implementation, Intervention