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randomized clinical trial
randomized clinical trial A randomized clinical trial is a study in which participants are assigned by chance to one of two or more treatment conditions so the effects of those conditions can be compared.
A randomized clinical trial is a study in which participants are assigned by chance to one of two or more treatment conditions so the effects of those conditions can be compared. In this packet, veterans with PTSD were randomly placed into either an exercise program or a psychoeducation control group to compare changes in quality of life and symptom severity.