medium · GMAT Verbal Reasoning
A pharmaceutical company claims that its drug is effective because 70% of trial participants reported a reduction in pain.
The claim that the drug is effective depends on which of the following assumptions?
- The drug is more effective than every currently available treatment.
- Pain can be treated only through pharmaceutical interventions.
- The reported pain reduction was not driven primarily by the placebo effect.
- The trial enrolled enough participants to make the 70% figure statistically significant.
- All participants in the study suffered from an identical type of pain.
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