,,,Empirical Benchmarks for Interpreting Effect Sizes in Research

Empirical Benchmarks for Interpreting Effect Sizes in Research


 

Publication Date: July 2007

Publisher: MDRC (Organization)

Author(s): Carolyn J. Hill; Howard S. Bloom; Alison Rebeck Black; Mark W. Lipsey

Research Area: Education

Keywords: Educational Interventions

Type: Report

Coverage: United States

Abstract:

No universal guideline exists for judging the practical importance of a standardized effect size, a measure of the magnitude of an intervention's effects. This working paper argues that effect sizes should be interpreted using empirical benchmarks — and presents three types in the context of education research.