作者minipasta (pasta)
看板Epi-99
标题[问题] 不好意思...我有几个问题想问~~
时间Wed Feb 9 13:10:20 2011
不好意思,我是今年2月的考生。
因为本身不是公卫背景的,所以准备起来有点疑问。
身边的朋友也没有人学过相关的科目,所以我就厚脸皮的上来问了
有两题考古题我想不太出来答案,不知道能不能请好心的学长姐回答我一下
小女子我真的会十分感激您的!!!
1.Which of the following statements about information bias is not true?
a. information bias is also called misclassification bias because it is
caused by misclassification
b. information bias is caused by non-differential misclassification bias
c. information bias cannot be solved by analysis of the data collected in the
same study
d.recall bias is a type of information bias
2.selection bias cannot be prevented by
a.blinding the investigator to the exposure status of the participants in
case-control study
b.selecting multiple control groups in case-control study
c. blinding the investigator to the outcome status of the participants in
cohort study
d.randomize the outcome status in cohort study
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※ 发信站: 批踢踢实业坊(ptt.cc)
◆ From: 123.50.33.58
1F:→ dadandog:1.b 2.看有没有神人解答 我不确定XD 02/09 14:38
2F:→ rememberiu:1.b 2.a 02/09 16:19
3F:→ philip0906:1.b 2... d吧 我猜的 XD 02/10 00:28
4F:→ rememberiu:我看错2的题目 应该是d吧 02/10 13:03