More Than Main Effects: Designing Randomized Experiments to Test Moderators and Mediators of Student Achievement

Publication information:

More Than Main Effects: Designing Randomized Experiments to Test Moderators and Mediators of Student Achievement. 2009.

Abstract

Agenda

  • What are moderators and mediators (conceptual framework)

  • Concrete example from RCT of READ 180 (statistical framework)

  • Discuss results from RCT using different statistical models

  • Conclude with key lessons relevant to RCTs in various content areas (literacy, math, science)

Full text

Agenda

  • What are moderators and mediators (conceptual framework)

  • Concrete example from RCT of READ 180 (statistical framework)

  • Discuss results from RCT using different statistical models

  • Conclude with key lessons relevant to RCTs in various content areas (literacy, math, science)
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