问题
单项选择题
病例对照研究中,选择偏倚不包括
A.入院率偏倚
B.回忆偏倚
C.检出症候偏倚
D.无应答偏倚
E.错误分类偏倚
答案
参考答案:B
病例对照研究中,选择偏倚不包括
A.入院率偏倚
B.回忆偏倚
C.检出症候偏倚
D.无应答偏倚
E.错误分类偏倚
参考答案:B
Li Ming 26 often late for school. The teacher is very angry with him. “ 27 are you often late for school?” asks the teacher. “Because I often get up 28 ,” answers Li Ming. “ 29 clock can wake (唤醒)you up,” says the teacher.“Yes, you are 30 .But it 31 work ,” says Li Ming.“Why don’t you 32 it?” asks the teacher again.“Oh, I don’t want it to work 33 ,” answers Li Ming.“If all of us are late for school, 34 do you like it?” says the teacher.“Oh, that’s great! There will be 35 schools in the world,” says Li Ming with a smile.
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