<it>A priori </it>postulated and real power in cluster randomized trials: mind the gap
<p>Abstract</p> <p>Background</p> <p>Cluster randomization design is increasingly used for the evaluation of health-care, screening or educational interventions. The intraclass correlation coefficient (ICC) defines the clustering effect and be specified during planning....
Main Authors: | , , |
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Format: | Article |
Language: | English |
Published: |
BMC
2005-08-01
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Series: | BMC Medical Research Methodology |
Online Access: | http://www.biomedcentral.com/1471-2288/5/25 |