The most helpful for revealing cause-and-effect relationship is __________?
Correct answer: B. the experiment
- A. the survey
- B. the experiment
- C. correlations
- D. naturalistic observation
Explanation
An experiment manipulates an independent variable while controlling other conditions, allowing researchers to test whether it produces changes in a dependent variable. Surveys, correlations, and naturalistic observations can show patterns but do not establish causation by themselves.
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