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Selection bias and subject refusal in a cluster-randomized controlled trial
BACKGROUND: Selection bias and non-participation bias are major methodological concerns which impact external validity. Cluster-randomized controlled trials are especially prone to selection bias as it is impractical to blind clusters to their allocation into intervention or control. This study asse...
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| Foilsithe in: | BMC Med Res Methodol |
|---|---|
| Main Authors: | , , , , , |
| Formáid: | Artigo |
| Teanga: | Inglês |
| Foilsithe: |
BioMed Central
2017
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| Ábhair: | |
| Rochtain Ar Líne: | https://ncbi.nlm.nih.gov/pmc/articles/PMC5504663/ https://ncbi.nlm.nih.gov/pubmed/28693427 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1186/s12874-017-0368-7 |
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