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Multi-Armed RCTs: A Design-Based Framework

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  • Peter Z. Schochet

Abstract

This report describes how design-based estimators for the two-group design need to be modified for the multi-armed design when comparing pairs of research groups to each other.

Suggested Citation

  • Peter Z. Schochet, "undated". "Multi-Armed RCTs: A Design-Based Framework," Mathematica Policy Research Reports eedf2eac4d4c4d8e869052c1d, Mathematica Policy Research.
    • Handle: RePEc:mpr:mprres:eedf2eac4d4c4d8e869052c1d4b2d566
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    File URL: https://www.mathematica.org/-/media/publications/pdfs/education/2017/multi-armed-rcts.pdf
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    References listed on IDEAS

    as
    1. Peter Z. Schochet, "undated". "An Approach for Addressing the Multiple Testing Problem in Social Policy Impact Evaluations," Mathematica Policy Research Reports dbb4b45215a740819b08ca578, Mathematica Policy Research.
    2. Peter Z. Schochet & Hanley S. Chiang, 2011. "Estimation and Identification of the Complier Average Causal Effect Parameter in Education RCTs," Journal of Educational and Behavioral Statistics, , vol. 36(3), pages 307-345, June.
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    11. Tan, Zhiqiang, 2010. "Marginal and Nested Structural Models Using Instrumental Variables," Journal of the American Statistical Association, American Statistical Association, vol. 105(489), pages 157-169.
    12. Peter Z. Schochet, 2009. "An Approach for Addressing the Multiple Testing Problem in Social Policy Impact Evaluations," Evaluation Review, , vol. 33(6), pages 539-567, December.
    13. Donald B. Rubin, 1977. "Assignment to Treatment Group on the Basis of a Covariate," Journal of Educational and Behavioral Statistics, , vol. 2(1), pages 1-26, March.
    14. Roberto Agodini & Barbara Harris & Sally Atkins-Burnett & Sheila Heaviside & Timothy Novak & Robert Murphy, "undated". "Achievement Effects of Four Early Elementary School Math Curricula: Findings from First Graders in 39 Schools," Mathematica Policy Research Reports 467194cd2d6f4cbaba7e23745, Mathematica Policy Research.
    15. Qi Long & Roderick J. A. Little & Xihong Lin, 2010. "Estimating causal effects in trials involving multitreatment arms subject to non‐compliance: a Bayesian framework," Journal of the Royal Statistical Society Series C, Royal Statistical Society, vol. 59(3), pages 513-531, May.
    16. Roberto Agodini, 2009. "Achievement Effects of Four Early Elementary School Math Curricula: Findings from First Graders in 39 Schools (Conference Paper)," Mathematica Policy Research Reports a08d661306a843fa89aff4c30, Mathematica Policy Research.
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    More about this item

    Keywords

    Randomized controlled trials; multi-armed designs; impact estimation; quantitative methods; causal inference; education interventions;
    All these keywords.

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