Grants per year
Personal profile
Research Interests
Professor Hedges’ research interests are in the development and application of statistical methods for the social, medical, and biological sciences. One major are of interest is the combination of results across studies to draw general conclusions (meta-analysis). Another major area of research is the design and analysis of social experiments. He works on the development of statistical methods in both of these areas and their application to policy research, particularly education policy. Prof. Hedges also works on the role of uncertainty in cognitive science, trying to understand how human cognition is shaped by the fact that it involves processing of information memory and perception that is inherently uncertain. Finally, he works on the demography of human abilities, including the understanding of differences between social groups and variation of abilities and measured achievement.
Education/Academic qualification
Mathematical Methods in Educational Research, PhD, Stanford University
… → 1980
Statistics, MA, Stanford University
… → 1980
Mathematics, BA, University of California, San Diego
… → 1978
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Grants
Participant Support Cost for Improving Evaluations of R&D in STEM Education SP0056198
9/1/19 → 8/31/22
Project: Research project
Promoting Best Practices in the Synthesis in Educational Research
UBS Optimus Foundation, Yidan Prize Foundation Limited
4/1/19 → 3/31/22
Project: Research project
Understanding Diverging Profiles of Academic and Physical Health Outcomes in African American Youth
Chen, E., Hedges, L. V. & Miller, G.
National Institute of Child Health and Human Development
7/24/18 → 5/31/23
Project: Research project
Research Output
Investigating immediacy in multiple-phase-change single-case experimental designs using a Bayesian unknown change-points model
Natesan Batley, P., Minka, T. & Hedges, L. V., 2020, (Accepted/In press) In : Behavior Research Methods.Research output: Contribution to journal › Article
1
Scopus
citations
Consistency of effects is important in replication: Rejoinder to Mathur and VanderWeele (2019)
Hedges, L. V. & Schauer, J. M., Oct 1 2019, In : Psychological methods. 24, 5, p. 576-577 2 p.Research output: Contribution to journal › Comment/debate
External validity is also an ethical consideration in cluster-randomised trials of policy changes
Bilimoria, K. Y., Chung, J. W. & Hedges, L. V., Feb 1 2019, In : BMJ Quality and Safety. 28, 2, 1 p.Research output: Contribution to journal › Letter
1
Scopus
citations
How to Do a Systematic Review: A Best Practice Guide for Conducting and Reporting Narrative Reviews, Meta-Analyses, and Meta-Syntheses
Siddaway, A. P., Wood, A. M. & Hedges, L. V., Jan 4 2019, In : Annual review of psychology. 70, p. 747-770 24 p.Research output: Contribution to journal › Review article
67
Scopus
citations
More Than One Replication Study Is Needed for Unambiguous Tests of Replication
Hedges, L. V. & Schauer, J. M., Oct 1 2019, In : Journal of Educational and Behavioral Statistics. 44, 5, p. 543-570 28 p.Research output: Contribution to journal › Article