- How valid and reliable are patient satisfaction data? An analysis of 195 studiesJ Sitzia
Research and Development Department, Worthing and Southlands Hospitals NHS Trust, Worthing, UK
Int J Qual Health Care 11:319-28. 1999..To assess the properties of validity and reliability of instruments used to assess satisfaction in a broad sample of health service user satisfaction studies, and to assess the level of awareness of these issues among study authors...