Issues of reliability and validity in ethnographic design are compared to their counterparts in experimental design. Threats to the credibility of ethnographic research are summarized and categorized ...

The use of isokinetic dynamometers with older adults extends far beyond orthopedics, but the reliability and responsiveness of isokinetic measures in conditions like COPD and stroke are still ...

The concepts of measurement reliability and validity are reviewed and discussed relative to the MV, and errors in the application of analytical techniques by Guajardo are noted. The article concludes ...