Researchers set up a trial to test the effects of a drug on a specific group of people while measuring another for reference. The scientific design of a randomized controlled trial is as follows ...

Telephone services that offer smoking-cessation counseling (quitlines) have proliferated in recent years, encouraged by positive results of clinical trials. The question remains, however, whether ...

Grades of Evidence for the Purported Quality of Study Design. Systematic ... In contrast, each randomized, controlled trial may have a distinct group of patients as a result of specific inclusion ...

At the Social Impact Exchange conference in New York a few months ago, I heard the leader of a rapidly growing, national youth-serving nonprofit proudly declare that the organization was about to ...

The following is a summary of “Effect of a systematic multi-dimensional assessment in severe uncontrolled asthma: a ...

Study Design: Controlled, cluster-randomized trial ... With the goal of improving NSAID safety practices,we conducted a group randomized trial of a multimodalintervention utilizing audit and ...

It was predicted that the exposure condition would increase liking for, and consumption of, the vegetable relative to either the reward or control group. Design: Using a randomized controlled ...

An international clinical trial shows that a structured exercise program after surgery and chemotherapy improves the odds of ...