重复测量的方差分析的统计前提
Statistical prerequisites for repeated measures ANOVA
每个处理条件内的观察都是独立的;
Observations within each treatment condition are independent.
每个处理条件内的总体分布是正态分布;
The overall distribution within each treatment condition is normal.
每个处理条件间的方差同质。
Variance is homogeneous between each treatment condition.