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Evaluating a Bayesian Approach for Estimating Moderator Effects in Parameter-Based Meta-Analytic Structural Equation Modeling
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DOI：10.1080/10705511.2026.2634257.png)
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Abstract
En 中文
Meta-analytic structural equation modeling (MASEM) enables meta-analytic investigations of multivariate models. A common research objective in meta-analyses is identifying study-level moderators that explain heterogeneity across primary studies. Several MASEM approaches have been extended to include moderators; however, research evaluating and comparing these approaches remains scarce. The present study discusses several parameter-based moderated MASEM approaches covering one-stage and two-stage as well as fixed and random effects approaches. We implement these different MASEM approaches using a Bayesian modeling framework and evaluate them through two simulation studies. We compare bias, efficiency, coverage rates, and statistical power of moderator effects across different numbers of primary studies, sample sizes, random effect structures, and structural models. Results imply that different parameter-based MASEM approaches provide approximately unbiased estimates and appropriate coverage of study-level moderation effects. An empirical example illustrates the application of the different approaches. Finally, we provide an overall discussion of the findings and their implications.
Keywords:
Bayesian modeling
meta-analysis
meta-analytic structural equation modeling
simulation study
study-level moderators
Journal
S
IF:
3.2
Papers:
79
Citations:
2.1W