Empirical Benchmarks for Interpreting Effect Sizes in Research

Statistical Power Analysis for the Behavioral Sciences

1989 • 83,906 citations

Statistical Power Analysis for the Behavioral Sciences (2nd ed.).

1989 • 28,417 citations

Experimental and Quasi-Experimental Designs for Generalized Causal Inference

2001 • 12,893 citations

The Economics of Education

1980 • 2,362 citations

Estimation of effect size from a series of independent experiments.

1982 • 950 citations

Does prekindergarten improve school preparation and performance?

2006 • 660 citations

Performance Trajectories and Performance Gaps as Achievement Effect-Size Benchmarks for Educational Interventions

2008 • 458 citations

The impact of after-school programs: Interpreting the results of four recent evaluations

2004 • 144 citations

How Large an Effect Can We Expect from School Reforms?

2008 • 37 citations

How Large an Effect Can We Expect from School Reforms?

2006 • 31 citations

Impacts of Dropout Prevention Programs

1998 • 15 citations

Charting a Path to Graduation. The Effect of Project GRAD on Elementary School Student Outcomes in Four Urban School Districts.

2006 • 6 citations