Background Risk factors among overhead athletes have been investigated in many studies. The rotator cuff external rotator weakness is associated with an increased probability of substantial shoulder ...

Objective To assess the reliability and validity of the Japanese translation version of the Pediatric Quality of Life Inventory™ 4.0 Short Form 15 (PedsQL™ 4.0 SF15). Methods The PedsQL™ 4.0 SF15 was ...

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) ...

Ensuring reliable analytical methods and bioassays requires a well-thought-out strategy for evaluating method validity and systems suitability. Analytical methods and bioassays require a ...

Objectives To cross-culturally adapt the VISA-P questionnaire for Greek-speaking patients and evaluate its psychometric properties. Background The VISA-P was developed in the English language to ...