General Studies · Research Methodology
In the psychological experiment described (where drug dosage is fixed per kg body weight, stimulus presentation interval is randomly varied, and reaction time is measured before and after), which of the following variables is NOT a controlled variable?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Foreperiod variation range
- 2Type of reaction
- 3Drug to body weight ratio
- 4Reaction time (Dependent variable)✓
Correct answer
Reaction time (Dependent variable)
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