作者jycrobin (Keep it REAL!!)
看板Translation
标题[英中] 请教期刊一段解释
时间Tue Nov 22 23:29:05 2011
The required sample size was determined using the
pooled estimate of within-group standard deviations obtained from
data reported in a recent article.
我大概知道他的意思 不过不知道怎麽翻pooled estimate of within-group
standard deviations 有谁知道吗 感激不尽！！
另外
Power calculations indicated that a sample of more than
36 participants would provide an 80% (贝它=0.20) chance of
detection of a 20% (阿法=0.05) difference in improvement
between group.
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※ 编辑: jycrobin 来自: 114.43.150.232 (11/22 23:33)
1F：→ spacedunce5:未附翻译，单纯问意思请至Eng-class或专业领域板面。 11/23 00:23