Research Methodology · Research Designs
Which of the following is an example of a case-control study design?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Randomly assigning participants to experimental and control groups
- 2Testing a treatment in a clinical trial
- 3Comparing two groups based on past exposure to a risk factor✓
- 4Observing a group of people over a period of time
Correct answer
Comparing two groups based on past exposure to a risk factor
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