The PDQ-Carer: Development and validation of a summary index score

Coefficient Alpha and the Internal Structure of Tests

Lee J. Cronbach · Psychometrika · 1951 · 43.2K citations · Full text

Social Sciences, Educational Assessment, Educational Measurement +14

The MOS 36-item short-form health survey (SF-36). I. Conceptual framework and item selection.

John E. Ware, Cathy D. Sherbourne · PubMed · 1992 · 34K citations

Pharmacy, Health Sciences, Geriatric Assessment +16

The MOS 36-ltem Short-Form Health Survey (SF-36)

John E. Ware, Cathy D. Sherbourne · Medical Care · 1992 · 29.8K citations

Pharmacy, Health Policy, Geriatric Assessment +16

Comparison of methods for the scoring and statistical analysis of SF-36 health profile and summary measures: summary of results from the Medical Outcomes Study.

John E. Ware, Mark Kosinski, Martha Bayliss et al. · PubMed · 1995 · 1.7K citations

Pharmacy, Health Sciences, Health Assessment +16

The Parkinson's Disease Questionnaire (PDQ-39): development and validation of a Parkinson's disease summary index score

Crispin Jenkinson, Ray Fitzpatrick, Viv Peto et al. · Age and Ageing · 1997 · 1.3K citations

Medicine, Neurology, Differential Item Functioning +14