Research Methodology · Research Design
Which of the following is an essential characteristic of a true experimental research design?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1A cross-sectional study surveying participants' subjective opinions
- 2A study observing natural behaviors in a setting without manipulation
- 3A longitudinal study examining trends in a population over time without intervention
- 4A study comparing the effects of interventions with random assignment to groups✓
Correct answer
A study comparing the effects of interventions with random assignment to groups
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