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A randomized control trial is a research design used to test the efficacy of interventions. Intervention and comparison groups are randomly assigned to appropriately measure the relationships between the intervention and outcome.

Citation: Lewis-Beck, M., Bryman, A., & Liao, T. (2004). The SAGE encyclopedia of social science research methods (Vols. 1–3). Thousand Oaks, CA: SAGE Publications. https://doi.org/10.4135/9781412950589

Category: Methodology

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