Controlled study - Reston Hospital Center | Reston, VA
Now Hiring for StoneSpring Emergency Center. Visit Our Career Center To Apply!

Controlled study

A study in which researchers compare the effects of a treatment in a group of subjects against another group or groups taking either another treatment or no treatment. Controlled studies are much more effective than uncontrolled studies , and the best type of controlled study is a double-blind placebo-controlled study .