The double jeopardy of clustered measurement and cluster randomisation.
Where this comes from
- Record sourced from PubMed, PMID 19700507.
- Also identified by DOI 10.1136/bmj.b2900 and PMC identifier 2730439.
- Licence recorded as CC BY-NC.
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Abstract
<b>Michael S Kramer and colleagues</b> suggest that double clustering might explain the negative results of some cluster randomised trials and describe some strategies for avoiding the problem
Medical subject headings
- Randomized Controlled Trials as Topic