The essence of the experiment method is:
Correct answer: D. using control to identify cause-and effect connections
- A. accurate calculation of correlations
- B. obtaining direct reports from subjects about their subjective experiences
- C. careful measurement and record keeping
- D. using control to identify cause-and effect connections
Explanation
The defining feature of an experiment is control, especially manipulating an independent variable while controlling alternatives, so possible cause-and-effect relationships can be identified. Measurement and record keeping are important in many methods, not unique to experiments.
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