presentations

## Presentations

- Viechtbauer, W. (2024).
*A fail-safe N computation based on the random-effects model.*Annual Meeting of the Society for Research Synthesis Methodology, Amsterdam, The Netherlands. slides - Viechtbauer, W. (2024).
*A second look at the fail-safe N method for assessing the potential impact of publication bias on a meta-analysis.*Department of Psychology, University of Münster, Germany. slides - Viechtbauer, W. (2023).
*Autocorrelation over nights in ESM data.*ESM Working Group, Maastricht University, The Netherlands. - Viechtbauer, W. (2023).
*A brief demo of the metafor package.*Symposium on 'Recent Advances in Meta-Analysis: Methods and Software', Department of Medical Statistics, University Medical Center Göttingen, Germany. slides - Viechtbauer, W. (2023).
*Confidence intervals for the amount of heterogeneity accounted for in meta-regression models.*European Congress of Methodology, Ghent, Belgium. slides R code - Viechtbauer, W. (2023).
*An overview of recent updates to the metafor package.*Annual Meeting of the Society for Research Synthesis Methodology, Paris, France. slides R code - Viechtbauer, W. (2023).
*14 years of the metafor package: A retrospective.*International Workshop on Psychometric Computing, University of Zurich, Switzerland. - Viechtbauer, W. (2023).
*Some reflections on analyzing data from event-contingent designs in ESM/EMA.*ESM Working Group, Open University, Heerlen, The Netherlands. - Viechtbauer, W. (2023).
*Location-scale models for meta-analysis using the metafor package.*Evidence Synthesis & Meta-Analysis in R Conference, Online. slides R code - Viechtbauer, W. (2022).
*Meta-analysis, open science, and publication bias.*Open Science Workshop: Promoting transparency & replicability in research, University of Tübingen. slides R code - Viechtbauer, W. (2022).
*Monte Carlo simulations using the DSRI cluster.*DSRI Community Event, Maastricht University. slides - Viechtbauer, W. (2022).
*The metadat package: A collection of meta-analysis datasets for R.*Evidence Synthesis & Meta-Analysis in R Conference, Online. slides - Viechtbauer, W. (2021).
*A general workflow for complex meta-analyses with dependent effect sizes.*International Workshop on 'Exploring the limits of advanced meta-analysis', Department of Statistics, TU Dortmund University, Online. slides - Viechtbauer, W. (2021).
*Meta-analysis in R with the metafor package.*Oslo useR! Group, Online. slides R code - Viechtbauer, W. (2021).
*Median-unbiased estimators for the amount of heterogeneity in meta-analysis.*European Congress of Methodology, Valencia, Spain. slides - Viechtbauer, W. (2021).
*An overview of the metafor package with some interesting applications.*Annual Meeting of the Society for Research Synthesis Methodology, Online. slides - Viechtbauer, W. (2021).
*Selection models for publication bias in meta-analysis.*Methods in Meta-Analysis Meeting, Online. slides - Viechtbauer, W. (2021).
*Current methods for meta-analysis with dependent estimates.*Centre for Evidence-Based Intervention, Department of Social Policy and Intervention, Oxford University. slides R code - Viechtbauer, W. (2021).
*Selection models for publication bias in meta-analysis.*Evidence Synthesis & Meta-Analysis in R Conference, Online. - Viechtbauer, W. (2021).
*Automated report generation for meta-analyses using the R package metafor.*Evidence Synthesis & Meta-Analysis in R Conference, Online. - Viechtbauer, W. (2020).
*Selection models for publication bias in meta-analysis.*Methodology and Statistics Colloquium, Tilburg University. slides - Viechtbauer, W. (2020).
*Automated report generation for meta-analyses using the R package metafor.*Evidence Synthesis Technology Webinar, Environmental Evidence Summit, Collaboration for Environmental Evidence. slides - Viechtbauer, W. (2020).
*An introduction to network meta-analysis / mixed-treatment comparisons.*Maastricht ISPOR Student Chapter, Maastricht, The Netherlands. - Viechtbauer, W. (2019).
*Workshop on ecological momentary assessment data analysis.*Symposium on longitudinal data-analysis, Experimental Psychopathology Post-Graduate School, Heeze, The Netherlands. - Viechtbauer, W. (2019).
*Bimodality of the likelihood function of the random-effects model in meta-analysis.*Annual Meeting of the Society for Research Synthesis Methodology, Chicago, IL. slides - Viechtbauer, W. (2019).
*Local optima in the likelihood function of the random-effects model for meta-analysis.*40th Annual Conference of the International Society for Clinical Biostatistics, Leuven, Belgium. slides - Viechtbauer, W. (2019).
*Changes in response behavior over time in ESM studies: Is there reason for concern?*6th Biennial Conference of the Society for Ambulatory Assessment, Syracuse, NY. slides - Viechtbauer, W. (2019).
*The R package metafor: Past, present, and future.*Research Synthesis 2019, Leibniz Institute for Psychology Information (ZPID), Dubrovnik, Croatia. slides - Viechtbauer, W. (2019).
*R packages for research synthesis and meta-analysis.*Evidence Synthesis Hackathon, Canberra, Australia. slides - Viechtbauer, W. (2019).
*Research synthesis with R: From simple models to multilevel, multivariate, and network meta-analyses.*ITEC Research Group, KU Leuven, Belgium. slides - Viechtbauer, W. (2019).
*An introduction to longitudinal meta-analysis in R with the metafor package.*Lifespan Social-Personality Preconference, Society for Personality and Social Psychology (SPSP) Annual Convention, Portland, OR. slides - Viechtbauer, W. (2018).
*Meta-analysis in R with the metafor package.*Evidence Synthesis Hackathon, Stockholm, Sweden. slides - Viechtbauer, W. (2017).
*Some applications of multivariate multilevel models in the context of ESM/EMA studies.*ESM Working Group (Center of Contextual Psychiatry and the Research Group of Quantitative Psychology and Individual Differences), KU Leuven, Belgium. slides. - Viechtbauer, W. (2017).
*Reliability of ESM assessments of mood and mood sensitivity.*5th Biennial Conference of the Society for Ambulatory Assessment, University of Luxembourg. slides. - Viechtbauer, W. (2017).
*From Pearson to phylogenetic meta-analysis: An overview of 110 years of developments in research synthesis methodology.*Seminar talk at the Department of Biology, University of Mississippi. - Viechtbauer, W. (2016).
*An introduction to meta-analysis: History, methods, misconceptions, and recent developments.*Colloquium talk at the Department of Psychology, University of Basel, Switzerland. slides - Viechtbauer, W. (2016).
*Alternative weighting schemes in the random-effects model to reduce the impact of publication bias.*Annual Meeting of the Society for Research Synthesis Methodology, Florence, Italy. slides - Viechtbauer, W. (2016).
*Estimating and interpreting heterogeneity and summary effects.*Cochrane Statistical Methods Group Training Event, Birmingham, UK. slides - Viechtbauer, W. (2016).
*Multilevel, multivariate, and network meta-analytical models for complex evidence synthesis.*Department of Methodology and Statistics, Maastricht University, The Netherlands. - Viechtbauer, W. (2016).
*Multilevel, multivariate, and network meta-analysis with the metafor package in R.*Department of Medical Statistics, University of Göttingen, Göttingen, Germany. slides - Viechtbauer, W. (2016).
*Meta-analysis with R: The metafor package.*GESIS - Leibniz Institute for the Social Sciences, Mannheim, Germany. slides - Viechtbauer, W. (2015).
*Statistics with free and open-source software.*School for Mental Health and Neuroscience, Maastricht University, The Netherlands. - Viechtbauer, W. (2015).
*Methods for random‐effects model meta-analyses with inclusion of small studies.*Meeting of the Statistical Methods Group, Cochrane Colloquium, Vienna, Austria. - Viechtbauer, W. (2015).
*Permutation testing in the context of mixed-effects models.*Interdisciplinary Center Psychopathology and Emotion Regulation, University of Groningen, The Netherlands. - Viechtbauer, W. (2015).
*Beyond standard meta-analysis: Multilevel, multivariate, and network meta-analytical models for complex evidence synthesis.*Department of Biological Psychology, VU University Amsterdam, The Netherlands. - Viechtbauer, W. (2015).
*Meta‐analysis with correlation coefficients when one or both variables have been artificially dichotomized.*Annual Meeting of the Society for Research Synthesis Methodology, Nashville, Tennessee. - Viechtbauer, W. (2014).
*Meta-analysis of product-moment, tetrachoric, and biserial correlations.*European Congress of Methodology, Utrecht, The Netherlands. - Viechtbauer, W. (2014).
*Multilevel, multivariate, and network meta-analysis with R.*Annual Meeting of the Society for Research Synthesis Methodology, York, UK. - Viechtbauer, W. (2014).
*Multivariate, multilevel, and network meta-analysis with R.*Second Workshop on Synthesizing Complex Statistical Models, Institute for Sociology and Social Psychology, University of Cologne, Germany. - Viechtbauer, W. (2013).
*Tales from the ward: Methodological and statistical challenges in psychiatric research.*Department of Methodology and Statistics, Maastricht University, The Netherlands. - Viechtbauer, W. (2012).
*The arm-based model as an alternative to the standard (contrast-based) approach when meta-analyzing treatment and intervention effects.*European Congress of Methodology, Santiago de Compostela, Spain. - Viechtbauer, W. (2012).
*Many roads lead to Rome: The standard, the multilevel, and the bivariate meta-analysis model.*Annual Meeting of the Society for Research Synthesis Methodology, Aix-en-Provence, France. - Viechtbauer, W. (2012).
*Erweiterungen der Standard-Meta-Analyse: Meta-Regression, Multilevel-Modelle, multivariate Verfahren und Netzwerk-Meta-Analysen.*Institute of Medical Biostatistics, Epidemiology and Informatics (IMBEI), University Medical Center, Johannes Gutenberg University, Mainz, Germany. - Viechtbauer, W. (2011).
*An introduction to longitudinal data analysis via mixed-effects models.*Department of Psychiatry, University of Hong Kong. - Viechtbauer, W. (2010).
*Conducting meta-analyses and meta-regression with R.*Annual Meeting of the German Association for Medical Informatics, Biometry, and Epidemiology, Mannheim, Germany. - Viechtbauer, W. (2010).
*Conducting meta-analyses in R with the metafor package.*Annual Meeting of the Society for Research Synthesis Methodology, Cartagena, Spain. - Viechtbauer, W. (2009).
*Outlier and influential case diagnostics for meta-analysis.*Annual Meeting of the Society for Research Synthesis Methodology, Seattle, Washington. - Viechtbauer, W. (2009).
*A brief introduction to meta-analysis with emphasis on understanding and interpreting the results.*Faculty of Economics and Management, Free University of Bozen-Bolzano, Italy. - Viechtbauer, W. (2009).
*Understanding and interpreting the results from meta-analyses.*Department of Psychology, National University of Singapore. - Viechtbauer, W. (2008).
*A second look at fixed- and random-effects models in meta-analysis: Does the fixed-effects model really assume homogeneous effect sizes?*Annual Meeting of the Society for Research Synthesis Methodology, Corfu, Greece. - Viechtbauer, W. (2008).
*A comparison of fixed-, random-, and mixed-effects models in meta-analysis.*Annual Conference of the Society for Industrial and Organizational Psychology, San Francisco. - Viechtbauer, W. (2008).
*Conditional and unconditional inferences in meta-analysis.*Department of Methodology and Statistics, Tilburg University, The Netherlands. - Viechtbauer, W. (2008).
*Exact confidence intervals for measures of heterogeneity in meta-analysis.*Seminar on*Measuring Heterogeneity in Meta-Analysis*, University of Reading, UK. - Viechtbauer, W. (2008).
*No tolerance for credibility intervals in meta-analysis: Only tolerance intervals are credible.*Department of Medical Statistics and Bioinformatics, Leiden University Medical Center, The Netherlands. - Viechtbauer, W. (2007).
*Tolerance intervals for random-effects models with application to meta-analysis.*Annual Meeting of the Psychometric Society, Tokyo, Japan. - Viechtbauer, W. (2007).
*Outlier detection in meta-analysis via studentized deleted residuals.*Annual Campbell Colloquium, London, UK. - Viechtbauer, W. (2007).
*Improved estimation of the sampling variances in meta-analysis via iterative model fitting.*Congress on Methodology in the Health and Social Sciences, Barcelona, Spain. - Viechtbauer, W. (2007).
*Examining and testing categorical moderators in meta-analysis: A comparison of procedures.*Interdisciplinary Workshop on Meta-Analysis, Institute for Employment Research, Nuremberg, Germany. - Viechtbauer, W. (2006).
*A new conceptualization of moderator tests in meta-analysis and its implications.*Annual Meeting of the Psychometric Society, Montreal, Canada. - Viechtbauer, W. (2006).
*Publication bias and meta-analysis.*Annual Meeting of the Care and Public Health Research Institute, Maastricht University, The Netherlands. - Viechtbauer, W. (2006).
*An introduction to meta-analysis and the publication bias problem.*Department of Statistics, University of Dortmund, Germany. - Viechtbauer, W. (2005).
*Testing changes in the intra-class correlation coefficient over time or conditions.*Conference of the Methods and Evaluation Section of the German Psychological Society, Münster, Germany. - Viechtbauer, W. (2005).
*A call for moderator analysis via the mixed-effects model in meta-analysis.*Joint Statistical Meeting, Minneapolis, Minnesota. - Viechtbauer, W. (2005).
*Confidence intervals for the amount of heterogeneity in meta-analytic random- and mixed-effects models.*Annual Meeting of the Psychometric Society, Tilburg, The Netherlands. - Viechtbauer, W. (2005).
*Estimating, testing, and obtaining confidence intervals for (the amount of) heterogeneity in meta-analysis.*Spanish Conference on Biometrics, Oviedo, Spain. - Viechtbauer, W. (2004).
*Model selection in meta-analysis.*Department of Methodology and Statistics, Maastricht University, The Netherlands. - Viechtbauer, W. (2004).
*Choosing between the fixed-, random-, and mixed-effects model in meta-analysis.*Max Planck Institute for Demographic Research, Rostock, Germany. - Viechtbauer, W. (2003).
*Empirical coverage probabilities of approximate confidence intervals for the standardized mean difference.*Quantitative Division Seminar, Department of Psychology, University of Illinois, Urbana-Champaign. - Viechtbauer, W. (2002).
*Bias of certain variance estimators in meta-analysis.*Quantitative Division Seminar, Department of Psychology, University of Illinois, Urbana-Champaign.

presentations.txt · Last modified: 2024/07/01 13:25 by Wolfgang Viechtbauer