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单选题

队列研究中调查对象应选择()

发布日期:2020-08-20

队列研究中调查对象应选择()
A

在患病人群中,选择有、无某种暴露因素的两个组

B

在患病人群中,选择有某种暴露因素的为一组,在未患病人群中选择无某种暴露因素的为另一组

C

在未患病人群中选择有某种暴露因素的为一组,在患病人群中选择无某种暴露因素的为另一组

D

在未患病人群中,选择有、无某种暴露因素两组

E

任选有、无暴露的两个组

试题解析

调查对象

调查对象亦称“调查总体”。需要进行调查的总体范围。由许多性质相同的调查单位所组成。确定调查对象,要明确总体的界限,划清调查的范围,以防在调查工作中产生重复或遗漏。如,调查的目的是为了搜集某地区国有及国有控股企业经营活动情况的资料,则调查对象就是该地区所有国有及国有控股企业。

中文名
调查对象
别名
调查总体

队列研究

队列研究是将某一特定人群按是否暴露于某可疑因素或暴露程度分为不同的亚组,追踪观察两组或多组成员结局(如疾病)发生的情况,比较各组之间结局发生率的差异,从而判定这些因素与该结局之间有无因果关联及关联程度的一种观察性研究方法。

中文名
队列研究
研究设计
确定研究因素
研究目的
检验病因假设
外文名
cohort study
基本特点
属于观察法

选择

歌曲《选择》由谢帝作词作曲并演唱,所属专辑《Couple Hunnid Mixtape Vol.2》。

中文名
选择
填词
谢帝
歌曲原唱
谢帝
谱曲
谢帝

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此试题出现在

广西住院医师

广西住院医师公共卫生学

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