Researchers use experiments rather than other research method in order to distinguish between:
Correct answer: D. causes and effects
- A. case studies and surveys
- B. random samples representative samples
- C. facts and theories
- D. causes and effects
Explanation
Experiments manipulate a suspected cause and measure its effect while controlling other factors, allowing researchers to distinguish causes from effects. Case studies, surveys, and correlations can describe or associate variables but do not provide the same causal test.
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