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Commentary

OD Payton, PhD, PT, is Professor of Physical Therapy, Medical College of Virginia, Virginia Commonwealth University, Richmond, VA 23298

This excerpt was created in the absence of an abstract.

For several years, there has been a very laudable trend in Physical Therapy to expect evidence of reliability and validity in the measurement tools used in published studies. Sim and Arnell have made a significant contribution to helping both potential authors and the readership understand the importance of these concepts, various types of validity and reliability, and the scope and limitations of each type. Our literature, and therefore our profession, will gain credibility, both within and outside of physical therapy, as that body of literature makes a real and significant difference in clinical practice. Our research, our literature, and our practice, however, will not make a demonstrable difference unless they use valid and reliable measurements, among other things. So this article is very timely, and it is meaty enough to be helpful.

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Measurement Validity in Physical Therapy Research

Julius Sim and Peggy Arnell
Physical Therapy 1993 73: 102-110. [Abstract] [PDF]