Critical Appraisal of Epidemiological Studies — MCQs

Which of the following is a type of observational study that analyzes population-level data?

In a case-control study, which measure quantifies the strength of association between exposure and outcome?

A study is to be conducted to compare the fat content in the expressed breast milk of pre-term infants with that of term infants. Which study design is best suited?

Which among the following is the major practical problem in a cohort study?

What is a key benefit of Randomized Controlled Trials (RCTs) in clinical research?

In a cohort study conducted with 100 individuals in each group (exposed and non-exposed), out of those exposed to the risk factor, 10 are diseased, and out of those not exposed to the risk factor, only 5 are diseased. What is the relative risk?

Which one of the following is FALSE regarding confounding factor in epidemiological studies ?

What is the chance of HIV infection after needle prick injury?

Most commonly used blinding technique in epidemiological studies?

Which one of the following is a famous large prospective study that helped establish risk factors for coronary heart disease ?