21) which of the following compares individuals who have a condition with similar individuals who do not…

21) which of the following compares individuals who have a condition with similar individuals who do not have the condition? case control studies clinical trials scientific studies epidemiological studies
Answer
Brief Explanations:
Case - control studies compare individuals with a condition (cases) to those without the condition (controls). Clinical trials test interventions. Scientific studies is a broad term. Epidemiological studies are broader and not specifically defined by this comparison.
Answer:
A. Case control studies