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The heterogeneity statistic I(2) can be biased in small meta-analyses
BACKGROUND: Estimated effects vary across studies, partly because of random sampling error and partly because of heterogeneity. In meta-analysis, the fraction of variance that is due to heterogeneity is estimated by the statistic I(2). We calculate the bias of I(2), focusing on the situation where t...
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| Publicado no: | BMC Med Res Methodol |
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| Autor principal: | |
| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
BioMed Central
2015
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC4410499/ https://ncbi.nlm.nih.gov/pubmed/25880989 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1186/s12874-015-0024-z |
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