Medical Outcomes Study: Measures of Quality of Life Core Survey from RAND Health

The Medical Outcomes Study: Measures of Quality of Life Core Survey (MOS) was a two-year study of patients with chronic conditions. The 116-item MOS core survey measures of quality of life include physical, mental, and general health.

Available Documents

MOS Core Survey Instrument

Scoring Instructions for MOS Core Survey Instrument

The scoring instructions include references to many articles that describe the process by which the measures were developed and discuss their validity and reliability.

Other MOS Surveys

Measures of Quality of Life (Core Survey)

Short Forms: 12-Item (SF-12), 20-Item (SF-20), 36-Item (SF-36)

Bibliography for the Medical Outcomes Study (MOS)

Measuring Function and Well-Being: The Medical Outcomes Study Approach (1992)

Other Instruments from the Medical Outcomes Study (2009)

This website offers a list of all instruments that have been approved by the Scientific Advisory Committee of the Medical Outcomes Trust.