Those of us in the business of psychological measurement use the terms reliability and validity a lot. You've probably seen those terms on the Psychology Today website (they appear thousands of times) ...

1 Sports Orthopaedic Research Centre – Copenhagen (SORC-C), Department of Orthopaedics, Copenhagen University Hospital Hvidovre., Kettegårds Alle 30, Denmark 2 Department of Orthopaedics, Zealand ...

Continuity of care is essential to the clinician/patient relationship within family medicine. However, researchers have few ways to track continuity of care as a measurement of clinical quality.

Objectives: To evaluate the reliability and validity of measures taken during the Chester step test (CST) used to predict VO 2 max and prescribe subsequent exercise. Methods: The CST was performed ...