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The Statistical Significance of Main Factors in Two-factor Studies
Author(s): 
Pages: 233-235
Year: Issue:  3
Journal: CHINESE JOURNAL OF HOSPITAL STATISTICS

Keyword:  两因素方差分析交互效应主效应平衡模型;
Abstract: 目地 探讨交互项有统计意义时,两因素方差分析中主析中主效应的统计意义.方法 根据方差分析平衡模型的原理,构造不同的模拟数据.并通过比较方差分析和回归分析的结果,列举交互项有统计意义时,主效应的各种情况.结论 当交互项有统计意义时,方差分析中主效应的P值无法说明主效应的统计意义,而应该根据回归分析的假设检验结果判断主效应的统计意义.
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