The effect of depressive symptoms on the association between radiographic osteoarthritis and knee pain: a cross-sectional study

An Inventory for Measuring Depression

Aaron T. Beck · Archives of General Psychiatry · 1961 · 37.8K citations

Psychotherapy, Psychiatric Evaluation, Psychopathology +19

Quality criteria were proposed for measurement properties of health status questionnaires

Caroline B. Terwee, Sandra D.M. Bot, Michiel R. de Boer et al. · Journal of Clinical Epidemiology · 2006 · 10.3K citations · Full text

Reliability, Healthcare Quality, Measurement Properties +8

What is coefficient alpha? An examination of theory and applications.

José M. Cortina · Journal of Applied Psychology · 1993 · 7.9K citations

Abnormal Psychology, Quantitative Psychology, Behavioral Sciences +13

Development of criteria for the classification and reporting of osteoarthritis: Classification of osteoarthritis of the knee

Roy D. Altman, E. Asch, D. Blöch et al. · Arthritis & Rheumatism · 1986 · 6.7K citations

Burden of major musculoskeletal conditions.

Anthony D. Woolf, Bruce Pfleger · PubMed · 2003 · 3.5K citations · Full text

Rheumatoid Disorder, Rheumatology, Musculoskeletal Disorders +15