PLOS ONE: Random-Effects, Fixed-Effects and the within-between Specification for Clustered Data in Observational Health Studies: A Simulation Study
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Which is appropriate to use fixed-effect or random effect statistical model while conducting meta-analyses?
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What is the difference between fixed effect, random effect and mixed effect models? - Cross Validated
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PDF] Fixed effects models versus mixed effects models for clustered data: Reviewing the approaches, disentangling the differences, and making recommendations. | Semantic Scholar
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