题目
EPI 202 Week 7: Self Assessment: Misclassification AND Target Trials
单项选择题
The target trial framework proceeds in two steps. The first step requires that the investigators specify the components of the (hypothetical) target trial that would answer the research question. The second step is to emulate each protocol component using the observational data. Which of the following components of the protocol of the target trial includes randomization to assign treatment strategies to individual study participants that occurs in randomized trials?
选项
A.A. Eligibility criteria
B.B. Treatment strategies
C.C. Treatment assignment
D.D. Outcomes
查看解析
标准答案
Please login to view
思路分析
The question asks which component of the target trial protocol includes randomization to assign treatment strategies to individual study participants, a feature characteristic of randomized trials.
Option A: Eligibility criteria. These specify who is eligible to participate but do not involve randomization or allocation of treatments. ......Login to view full explanation登录即可查看完整答案
我们收录了全球超50000道考试原题与详细解析,现在登录,立即获得答案。
类似问题
Question at position 22 In order to assess the effects of exercise on reducing cholesterol, a researcher took a random sample of fifty people from a local gym who exercised regularly and another random sample of fifty people from the surrounding community who did not exercise regularly. They all reported to a clinic to have their cholesterol measured. The subjects were unaware of the purpose of the study, and the technician measuring the cholesterol was not aware of whether or not test subjects exercised regularly. Which of the following best describes the inferences the researcher can make based on his results?He cannot make inferences about either cause and effect or the populations from which the samples were taken.He can make inferences about the populations from which the samples were taken, but not about cause and effect.He can make inferences about both cause and effect and the populations from which the samples were taken.There is not enough information to make judgments about the scope of inference.He can make inferences about cause and effect, but not about the populations from which the samples were taken.
Which of the following is a structural reason why diabetes and heart disease would be associated in the DAG above?
In order to make causal inference in an observational study with confounding by sex, the investigator must adjust for sex in the analysis phase. This is necessary to satisfy the assumption of:
Which of the following assumptions are required for causal inference from observational studies?
更多留学生实用工具
希望你的学习变得更简单
加入我们,立即解锁 海量真题 与 独家解析,让复习快人一步!