Objective: The current study aims to examine the structural and convergent validity, reliability, and measurement invariance of the Depression Anxiety Stress Scales Short Form (DASS-21) across age and ...

Background: Clinical trials are commonly done without blinded outcome assessors despite the risk of bias. We wanted to evaluate the effect of nonblinded outcome assessment on estimated effects in ...

Low back pain (LBP) is a critical global health concern and is considered to be one of the leading causes of disability worldwide (Blyth et al., 2019). The prevalence of LBP is estimated to be 7.50%, ...

University of Illinois Physics Professor Paul Kwiat and members of his research group have developed a new tool for precision measurement at the nanometer scale in scenarios where background noise and ...