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Penny Wise and Effect Size Foolish, Greg Duncan, Institute for Policy Research, Northwestern University

March 5, 2007
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This session focused on the merits of incorporating cost and benefit analysis into effect size calculations for…

Agenda - Supporting Positive Language and Literacy Development in Young Language Minority Children: Research, Policy, and Practice Roundtable Meeting

April 16, 2008
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This is the Agenda for the Wednesday, April 16, 2008, Supporting Positive Language and Literacy Development in…

The Promises and Challenges of Administrative Data in Social Policy Research: Roundtable Discussion

June 30, 2016
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In this video roundtable, government experts and experienced researchers discuss the opportunities and challenges presented when using administrative data for social policy research. Topics include: tips for planning administrative data research; working with (federal and state) data custodians; negotiating data...

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…

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…

Considering effect sizes within the policy context Helping Educators, Parents and Students Find Meaning in Research Results, Harris Cooper, Duke University

March 5, 2007
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There are difficulties in communicating results of research to audiences lacking statistical expertise…

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...