American journal of physical medicine & rehabilitation
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Am J Phys Med Rehabil
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Am J Phys Med Rehabil · Sep 1995
ReviewStrong quasi-experimental designs for research on the effectiveness of rehabilitation.
Medical rehabilitation needs better understanding of the effectiveness of its treatments and of patient characteristics most responsive to alternative intervention strategies. The goal of this paper is to improve understanding of research design in medical rehabilitation. ⋯ Pre-experimental research, including qualitative, descriptive, and predictive studies, should not be confused with experimental research designs. More frequent use of randomized experimental and strong quasi-experimental designs can provide knowledge that will augment the effectiveness of rehabilitation practice.