RANDOMIZATION BY CLUSTER - SAMPLE-SIZE REQUIREMENTS AND ANALYSIS
RANDOMIZATION BY CLUSTER - SAMPLE-SIZE REQUIREMENTS AND ANALYSIS
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DOI：
10.1093/oxfordjournals.aje.a113261
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发表时间：
1981-01-01
影响因子：
5
通讯作者：
BUCK, C
中科院分区：
文献类型：
--
作者：
DONNER, A;BIRKETT, N;BUCK, C
对于随机化单位为整群的干预试验，给出了样本量要求。所处理的情况包括2个平均值的比较和2个比例的比较。还讨论了标准统计分析所需的修改。
Sample size requirements are given for intervention trials in which the unit of randomization is the cluster. Cases dealt with include the comparison of 2 means and the comparison of 2 proportions. Required modifications to the standard statistical analyses are also discussed.