Question 1
Which of the following is a characteristic of cohort studies?
Question 2
What is a primary limitation of randomized controlled trials (RCTs)?
Question 3
In which study design are participants assigned to treatment groups based on their characteristics?
Question 4
What is the main purpose of using a placebo in experimental studies?
Question 5
Which type of bias is most likely to occur in observational studies due to selective reporting of results?
