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Seide, Svenja E.; Jensen, Katrin; Kieser, Meinhard – Research Synthesis Methods, 2021
Traditional visualization in meta-analysis uses forest plots to illustrate the combined treatment effect, along with the respective results from primary trials. While the purpose of visualization is clear in the pairwise setting, additional treatments broaden the focus and extend the results to be illustrated in network meta-analysis. The…
Descriptors: Graphs, Visualization, Simulation, Meta Analysis
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López-López, José Antonio; Van den Noortgate, Wim; Tanner-Smith, Emily E.; Wilson, Sandra Jo; Lipsey, Mark W. – Research Synthesis Methods, 2017
Dependent effect sizes are ubiquitous in meta-analysis. Using Monte Carlo simulation, we compared the performance of 2 methods for meta-regression with dependent effect sizes--robust variance estimation (RVE) and 3-level modeling--with the standard meta-analytic method for independent effect sizes. We further compared bias-reduced linearization…
Descriptors: Effect Size, Regression (Statistics), Meta Analysis, Comparative Analysis
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Curtin, François – Research Synthesis Methods, 2017
Meta-analysis can necessitate the combination of parallel and cross-over trial designs. Because of the differences in the trial designs and potential biases notably associated with the crossover trials, one often combines trials of the same designs only, which decreases the power of the meta-analysis. To combine results of clinical trials from…
Descriptors: Meta Analysis, Monte Carlo Methods, Least Squares Statistics, Medical Research