Re: ANOVA, Robustness, and Power

2000-06-23 Thread Donald Burrill
On Thu, 22 Jun 2000, Alex Yu wrote (slightly edited): ANOVA is said to be robust against assumption violations when the sample size is large. However, when the sample size is huge, it tends to overpower the test and thus the null may be falsely rejected. Which is a lesser evil? Your

ANOVA, Robustness, and Power

2000-06-22 Thread Alex Yu
ANOVA is said to robust against assumption violations when the sample size is large. However, when the sample size is huge, it tends to overpower the test and thus the null may be falsly rejected. Which is a lesser evil? Your input will be greatly appreciated.