The effect found is due exclusively to the maneuver (good design and methods)
The effect found is likely to represent the "real world" (effect on the kinds of people who would be treated)
Which type of study is likely to be bigger and cost more?
Which type of study best evaluates the way the treatment works?
Which type of study is likely to have larger effects (bigger differences between groups)?
Which type of study uses an "intention to treat" analysis?
Which type of study gives effect estimates that inform clinical decision making?
Which type of study should be done first?
Most studies are _______________ with mixed ________________.
If clinicians use results from efficacy studies to determine expected effects in usual settings, they are probably _________________ benefits
Pure effectiveness studies may _____________________ benefits for compliant patients who receive expected treatment.