Assessing the presence and degree of synovitis is the cornerstone of managing patients with arthritis. Ultrasound has been ...

Objective To develop and evaluate a new patient-reported outcome measure (PROM) to assess people’s knowledge and beliefs about low back pain. Methods This study followed the COnsensus-based Standards ...

Background: Self-report questionnaires play an important role as outcome measures in shoulder research. Having an estimate of the measurement error of these ...

In my previous blog post, I noted that reliability and validity are two essential properties of psychological measurement. Measures of intelligence, personality, vocational interests, and so forth ...