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: 2024/08/29 16:04 by Wolfgang Viechtbauer