Concepedia

Study Size Effects

Study Size Effects is a statistical phenomenon in meta-analysis wherein the magnitude or direction of observed treatment effects varies systematically with the precision or sample size of individual studies, often reflecting bias or heterogeneity related to smaller studies yielding discrepant results compared to larger ones.

53

Publications

5.6K

Citations

163

Authors

103

Institutions

Publications per year

2017–2026

9

Parents

Publications

53

The Hartung-Knapp-Sidik-Jonkman method for random effects meta-analysis is straightforward and considerably outperforms the standard DerSimonian-Laird method

Joanna IntHout, John P. A. Ioannidis, George F. Borm · BMC Medical Research Methodology · 2014 · 2.1K citations · Full text

, , +11

The Impact of Study Size on Meta-analyses: Examination of Underpowered Studies in Cochrane Reviews

Rebecca Turner, Sheila M. Bird, Julian P. T. Higgins · PLoS ONE · 2013 · 664 citations · Full text

, , +7

Effects of study duration, frequency of observation, and sample size on power in studies of group differences in polynomial change.

Stephen W. Raudenbush, Xiaofeng Liu · Psychological Methods · 2001 · 455 citations

, , +13

Sample Size Nomograms For Interpreting Negative Clinical Studies

Mark Young, Eddy A. Bresnitz, Brian L. Strom · Annals of Internal Medicine · 1983 · 258 citations

, , +16

Inflammatory bowel disease susceptibility loci defined by genome scan meta-analysis of 1952 affected relative pairs

David A. van Heel, Sheila Fisher, Andrew Kirby et al. · Human Molecular Genetics · 2004 · 230 citations · Full text

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1–5 of 53

Authors

163

  1. WS
    William S. LaHaye

    Cal Poly Humboldt, United States

    3 publications · 109 citations

    3

    h-index

  2. XL
    Xiaofeng Liu

    Harvard University, United States

    3 publications · 478 citations

    3

    h-index

  3. SW
    Stephen W. Raudenbush

    University of Chicago, United States

    3 publications · 478 citations

    3

    h-index

  4. JR
    Jeffrey R. Dunk

    Cal Poly Humboldt, United States

    2 publications · 48 citations

    2

    h-index

  5. JP
    Julian P. T. Higgins

    University of Bristol, United Kingdom

    2 publications · 699 citations

    2

    h-index

1–5 of 163

Institutions

103

  1. University of Minnesota

    Minneapolis, United States

    4 h-index

    7 publications

    235 citations

  2. University of Bristol

    Bristol, United Kingdom

    3 h-index

    7 publications

    901 citations

  3. Imperial College London

    London, United Kingdom

    2 h-index

    2 publications

    242 citations

  4. Minnesota Department of Natural Resources

    Saint Paul, United States

    2 h-index

    4 publications

    96 citations

  5. Cal Poly Humboldt

    Arcata, United States

    2 h-index

    6 publications

    144 citations

  6. University of Washington

    Seattle, United States

    2 h-index

    4 publications

    180 citations

  7. University of Oulu

    Oulu, Finland

    2 h-index

    2 publications

    34 citations

  8. Indian Association for the Cultivation of Science

    Kolkata, India

    1 h-index

    2 publications

    20 citations

1–8 of 103

Venues

  1. Journal of Clinical Epidemiology

    3 publications · 61 citations

    3

    h-index

  2. Psychological Methods

    3 publications · 478 citations

    3

    h-index

  3. Ornithological Applications

    2 publications · 48 citations

    2

    h-index

  4. Perspectives on Psychological Science

    PPSC · 2 publications · 105 citations

    2

    h-index

  5. Scientometrics

    1 publications · 16 citations

    1

    h-index

1–5