This is a preview. Log in through your library . Abstract Although problems of reliability and validity have been explored thoroughly by experimenters and other quantitative researchers, their ...

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 ...

A review of 76 studies reveals that research largely supports the validity and reliability of isokinetic strength testing of older patients with stroke, but few data are available that provide ...