G***s
发帖数: 10030 | 1 在这里想请教一个问题，用repeated measures，Sphericity test被reject了，然后用
multivariate test,书上写的还要查homogeneity or variance和normality这两个
assumption，但是在ucla的tuitor网站说这两个也被violate了，到底要check哪些
assumption？
Repeated measures ANOVA carries the standard set of assumptions associated
with an ordinary analysis of variance, extended to the matrix case:
multivariate normality, homogeneity of covariance matrices, and independence
. Repeated measures ANOVA is robust to violations of the first two
assumptions. Violations of independence produce a nonnormal distribution of
the residuals, which results in invalid F ratios. The most common violations
of independence occur when either random selection or random assignment is
not used. |
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