Compare and contrast a cohort study and a randomized trial
Compare and contrast a cohort study and a randomized trial
Homework Answers
Cohort study and randomised trial are types of epidemiological studies.
Cohort study:
- Cohort study is a research design which differentiates a peculiar feature in a group of individuals.It is a observational study.
- Cohort study is grouped as prospective,retrospective ,case-control nested within a cohort,case-cohort
- Advantages of cohort study are mutiple features can be measured at same time
- .Disadvantages include there selection bias, time & money consuming and require large sample size
Randomised trial:
- Randomised trial is a type of clinical trial used to compare and contrast two or more groups of people
- It is an experimental study
- Randomised trial is used as a reliable method for chosing between treatments and between people who is in need of treatment.
- Randomised clinical trials (RCTs) can be used to evaluate different types of interventions in different populations of participants, in different settings, and for different purposes
- Advantages include elimination of bias and it provides reliable evidence on the effectiveness of interventions
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