Observed intra-cluster correlation coefficients in a cluster survey sample of patient encounters in general practice in Australia
<p>Abstract</p> <p>Background</p> <p>Cluster sample study designs are cost effective, however cluster samples violate the simple random sample assumption of independence of observations. Failure to account for the intra-cluster correlation of observations when sampling...
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| Format: | Article |
| Language: | English |
| Published: |
BMC
2004-12-01
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| Series: | BMC Medical Research Methodology |
| Online Access: | http://www.biomedcentral.com/1471-2288/4/30 |