Wolfgang Viechtbauer

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Wolfgang Viechtbauer
Nationality German
Alma mater Illinois State University
(BS 1998)
University of Illinois at Urbana–Champaign
(MA 2002, MS 2003, PhD 2004)
AwardsOlkin Award (Lifetime Achievement Award of the Society for Research Synthesis Methodology) 2019
Scientific career
Fields Psychology, Statistics
Institutions Maastricht University
Thesis Choosing between the fixed-, random-, and mixed-effects model in meta-analysis: an analysis of existing and new model selection methods  (2004)
Doctoral advisor David Budescu
Website https://www.wvbauer.com/

Wolfgang Viechtbauer is a statistician. He is an associate professor of methodology and statistics at the Maastricht University in the Faculty of Health, Medicine and Life Sciences and Faculty of Psychology and Neuroscience. His most influential work has been focused on the field of meta-analysis and evidence synthesis.

Contents

Education

Viechtbauer completed a M.A. (2002) and a Ph.D. (2004) at the University of Illinois at Urbana–Champaign. [1] [2] His master's thesis was titled Bias of certain variance estimators in meta-analysis and his dissertation was titled Choosing between the fixed-, random-, and mixed-effects model in meta-analysis: an analysis of existing and new model selection methods. [1] [2] His doctoral advisor was David Budescu. [2]

Career

Viechtbauer is an associate professor of methodology and statistics at the Maastricht University in the Faculty of Health, Medicine and Life Sciences and Faculty of Psychology and Neuroscience. [3]

Research and software

Viechtbauer’s research centres on statistical methods for meta-analysis, including heterogeneity estimation, publication-bias diagnostics and multilevel or multivariate models. [4] In 2009 he released metafor, an R package that provides a comprehensive suite of functions for computing effect sizes, fitting fixed-, random- and mixed-effects models, and producing diagnostic graphics. [5] The JSS article introducing metafor has received more than 18,000 citations in Google Scholar as of May 2025, [6] and the software is referenced in methodological tutorials, and domain-specific guides across health, ecology, education and psychology. [7]

Selected works

References

  1. 1 2 Viechtbauer, Wolfgang (2002). Bias of certain variance estimators in meta-analysis (Thesis). OCLC   52367230.
  2. 1 2 3 Viechtbauer, Wolfgang (2004). Choosing between the fixed-, random-, and mixed-effects model in meta-analysis: an analysis of existing and new model selection methods (Thesis). ISBN   978-0-496-14066-4. OCLC   61135330.
  3. ↑ "W. Viechtbauer -". Maastricht University. Retrieved 22 April 2020.
  4. ↑ Viechtbauer, Wolfgang; Cheung, Mike W.-L. (2010). "Outlier and influence diagnostics for meta-analysis" . Research Synthesis Methods. 1 (2): 112–125. doi:10.1002/jrsm.11. PMID   26061377.
  5. ↑ Viechtbauer, Wolfgang (2010). "Conducting Meta-Analyses in R with the metafor Package". Journal of Statistical Software. 36 (3). doi: 10.18637/jss.v036.i03 . ISSN   1548-7660.
  6. ↑ Google Scholar profile: Wolfgang Viechtbauer , retrieved 25 May 2025
  7. ↑ Haddaway, Neal; Grainger, Matthew (15 March 2019). "Building metafor". Evidence Synthesis Hackathon. Retrieved 25 May 2025.
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