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) ...
Objective: To evaluate the reliability and validity of a brief physical activity assessment tool suitable for doctors to use to identify inactive patients in the primary care setting. Methods: ...
This is the second article in a 5-part series discussing different aspects of the current mainstream, biomedical approach to mental health diagnosis. For the sake of brevity, I’m assuming readers ...