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Using Empirical Benchmarks for Interpreting Effect Sizes, Carolyn Hill, Georgetown University (joint work with Howard Bloom (MDRC), Alison Black (MDRC), and Mark Lipsey (Vanderbilt)

March 5, 2007
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Belinda Sims, Health Scientist administrator at the National Institute of Drug Abuse, served as the moderator…

Welcome and Overview

March 5, 2007
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Naomi Goldstein, Director of the Office of Planning, Research and Evaluation (OPRE) in the Administration of…

Contextualizing effect sizes by examining population, study, and outcome characteristics: Extended investigation using multilevel models and mixtures, Hendricks Brown, University of South Florida

March 5, 2007
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This presentation examines the variation in impact with effect sizes by describing traditional meta-analyses and…

Issues in calculating average effect sizes in meta-analyses, Rebecca Maynard, Nianbo Dong, and Irma Perez-Johnson, University of Pennsylvania

March 5, 2007
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This session focused on the rationale for calculating average effect sizes, described which measures should be…

What are effect sizes and why we need them? Larry Hedges, Northwestern University

March 5, 2007
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Effect sizes are a type of quantitative representation of the magnitude of relations, differences, or…

Current Research Projects Addressing Children and Families Who are Hispanic, April 2013

April 15, 2013
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Several projects sponsored by the Office of Planning, Research and Evaluation (OPRE) focus on Hispanic populations or on issues with particular relevance for Hispanic communities in the U.S., including children who are dual language learners, children in immigrant families, or families employed in migrant and/or seasonal industries. This list provides brief summaries of recent OPRE-sponsored research efforts that span a wide range of topics informing ACF programs and policies supporting...

What is best practice when using Effect Sizes to convey information about prevention and intervention research to practitioners and policymakers? H. Stephen Leff, Human Services Research Institute

March 5, 2007
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There are two types of research—basic and intervention…

Interpreting and Contextualizing Effect Sizes - Panel 2 Summary

March 5, 2007
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The implications of measurement error differ depending on whether one is using natural or standardized units…

How measurement of outcomes affects the interpretation and understanding of effect sizes, Margaret Burchinal, University of North Carolina

March 5, 2007
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Effect sizes describe the magnitude of findings from statistical analyses...

Effect Sizes and Their Calculation (and Miscalculation) - Panel 1 Summary

March 5, 2007
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The discussion session focused on methods for standardizing the language used when reporting effect sizes and…