Assertion: placebo's study | /r/CapableOf | compare placebo
Facets:
value: to aspirin
type: OTHER
value: to no treatment
type: OTHER
Source sentences:
text: Studies comparing placebo to no treatment, which would be expected to find no difference at all, instead found that patients were more likely to tell the study investigator that there was some improvement in their comfort even if they were on placebo.
text: In nine double-blind studies comparing placebos to aspirin, placebos proved to be 54 percent as effective as the actual analgesic.