题目
FSCN 1012 (001) W 6: Midterm Exam
单项选择题
A ___________________ is a longitudinal study that follows a group of similar individuals over a defined period of time. Individuals may differ with respect to certain factors under study, to determine how these factors affect rates of a defined outcome.
选项
A.Randomized control trial
B.Case control study
C.Observational study
D.Prospective cohort study
查看解析
标准答案
Please login to view
思路分析
The question defines a longitudinal study that follows a group of similar individuals over a defined period of time to see how factors influence a defined outcome. This description points toward a cohort design where participants are grouped on certain exposures or characteristics and followed over time to observe outcomes.
Option 1: Randomized control trial. In an RCT, participants are ran......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
An epidemiologist conducted a prospective cohort study of exercise and stroke, with follow-up from 1975 to 2010. She defined light exercise as exercising, on average, 30 minutes or less per day, moderate exercise as exercising, on average, more than 30 minutes to 1 hour per day, and heavy exercise as exercising, on average, more than 1 hour per day. From 1975 through 1979, subject Q exercised 45 minutes per day. From 1980 through 1989, subject Q exercised 1.5 hours per day. From 1990 through 2004, subject Q exercised 25 minutes per day. Subject Q had a stroke in 2004. Assuming no induction period, which exposure category would subject Q be assigned to when she experienced the study outcome?
The most important longitudinal heart study in the world is being conducted in what American City since 1946:
Question at position 13 A cohort study is most useful for which of the following?Establishing that an individual-level association exists between the potential "cause" and the potential "outcome" or diseaseEstablishing that altering the "cause" alters the "effect"Establishing causal ordering (that the "cause" precedes the "effect")None of these
Question at position 9 Concerned with the potential health hazards of working at the site of the Twin Towers in the wake of the 9/11 attack, a study enrolls all clean-up workers, rescue crews, and other staff who, at some point, had worked in the general vicinity of the Tower rubble. The study then observed their health over time and sees if any eventual health problems that some people enrolled in the study may develop are more likely to be observed among people with certain levels of exposure to the contaminants in the building rubble. This is an example of what type of study?Randomized Controlled TrialCohort StudyEcological StudyCase-Control Study
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!