Not different is not the same as the same: how can we tell?

被引:1
|
作者
Drummond, Gordon B. [1 ]
Vowler, Sarah L. [2 ]
机构
[1] Univ Edinburgh, Royal Infirm, Dept Anaesthesia & Pain Med, Edinburgh EH16 4HA, Midlothian, Scotland
[2] Li Ka Shing Ctr, Cambridge Res Inst, Canc Res UK, Cambridge, England
关键词
D O I
10.1152/advan.00120.2012
中图分类号
G40 [教育学];
学科分类号
040101 ; 120403 ;
摘要
Key Points Testing for the presence of a condition may give an incorrect result Sensitivity and specificity of a test depend upon the chosen cut-off value "No difference" usually means "these data do not suggest a difference" The power of a test needs to be known to conclude that there is no difference Power calculations should be considered if the null hypothesis is not rejected
引用
收藏
页码:261 / 264
页数:4
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