2022
DOI: 10.1027/2151-2604/a000485
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Dealing With Dependent Effect Sizes in MASEM

Abstract: Abstract. The objective of the present study was to examine whether different methods for dealing with dependency in meta-analytic structural equation modeling (MASEM) lead to different results. Four different methods for dealing with dependent effect sizes in MASEM were applied to empirical data, including: (1) ignoring dependency; (2) aggregation; (3) elimination; and (4) a multilevel approach. Random-effects two-stage structural equation modeling was conducted for each method separately, and potential moder… Show more

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Cited by 5 publications
(7 citation statements)
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“…We used a multilevel MASEM approach (Wilson et al, 2016) to examine whether stress generation mediates the chronicity of symptoms of psychopathology over time. This approach is the gold standard method for accounting for dependencies among effect sizes extracted from the same studies when modeling structural paths, including indirect effects (Stolwijk et al, 2022). Specifically, we used a two-stage approach in which a random-effects no-intercept three-level model was first estimated to provide a pooled correlation matrix, which the hypothesized correlation model was fit to in Stage 2.…”
Section: Resultsmentioning
confidence: 99%
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“…We used a multilevel MASEM approach (Wilson et al, 2016) to examine whether stress generation mediates the chronicity of symptoms of psychopathology over time. This approach is the gold standard method for accounting for dependencies among effect sizes extracted from the same studies when modeling structural paths, including indirect effects (Stolwijk et al, 2022). Specifically, we used a two-stage approach in which a random-effects no-intercept three-level model was first estimated to provide a pooled correlation matrix, which the hypothesized correlation model was fit to in Stage 2.…”
Section: Resultsmentioning
confidence: 99%
“…By enabling us to retain all desired effect sizes, we were also able to examine broad categories such as overall psychopathology, internalizing, and externalizing, which necessitated the inclusion of sometimes several effect sizes from a given study. Finally, the use of a three-level, two-stage MASEM incorporated benefits of multilevel modeling while also employing the state-of-the-art two-stage MASEM approach (Wilson et al, 2016), which together have recently been recommended as the gold standard method for handling effect size dependencies in a MASEM context (Jak & Cheung, 2020; Stolwijk et al, 2022). Finally, we integrated multiple tests for publication bias, including new approaches that specifically handle dependent effect sizes (Rodgers & Pustejovsky, 2020).…”
Section: Discussionmentioning
confidence: 99%
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“…In Stage 1 of TSSEM, we conducted a random-effects meta-analysis with maximum likelihood estimation using a three-level approach to account for the correlation matrices nested within the same data set (Wilson et al, 2016); given that correlation matrices based on subsets of the same data set are more similar compared to correlation matrices from other data sets. A multilevel approach in Stage 1 of TSSEM is recommended when dependencies are present in the data (Stolwijk et al, 2022). In Stage 2 of TSSEM, we fit our MASEM model to the pooled correlation matrix.…”
Section: Methodsmentioning
confidence: 99%
“…As articles reported multiple studies with multiple samples, our data had a nested structure. We considered this dependency by following the WPL approach (Stolwijk et al, 2022;Van den Noortgate et al, 2013;Wilson et al, 2016). Using this approach, we first estimated the synthesized correlation matrix using a three-level hierarchical model.…”
Section: Analytic Approachmentioning
confidence: 99%