作者qqpolt (忘记)
看板Statistics
标题[问题] 请教把power变大的问题?
时间Wed Oct 22 13:12:04 2008
题目是
Maximize the difference among various treatment conditions
1. INCREASING THE SIZE OF ALPHA
2. INCREASING THE SIZE OF THE SAMPLES WITHIN EACH GROUP
3. ENSURING THAT ALL SUBJECTS WITHIN EACH GROUP ARE TREATED CONSISTENTLY
4. SELECTING VERY DIFFERENT LEVELS OF THE INDEPEDENT VARIABLE TO PRODUCE
RELATIVELY LARGE DIFFERENCES AMONG THEIR MEANS
另外一题是
Minimize the variability of observed scores
选项也是上面4个
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※ 编辑: qqpolt 来自: 125.230.8.163 (10/22 13:39)