Conception, Development and Validation of Instruments for Quality of Life Assessment: An Overview

  • Arin Judith Chwalow
  • Adekunle B. Adesina


Health related quality of life should be considered a therapeutic objective in the conduct of clinical trials, epidemiological studies and economic evaluations. The development of a new scale or instrument is a long and difficult process, requiring both qualitative and quantitative perspectives. The methodology necessary for the elaboration of a new instrument or the evaluation of the quality of an existing one is often assumed or ignored. Therefore, when indices are required to measure subjective dimensions of well-being in populations, the use of existing standardized measures, already cross-culturally validated, is usually recommended. This chapter will discuss precise psychometric elements to be considered in the decision to develop or to use an existing scale. The principles discussed here, serve as general guidelines for those planning to assess health related quality of life in research and practice settings.


Standardize Response Mean Sickness Impact Profile Quality ofLife Retest Interval Evaluative Instrument 
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Copyright information

© Springer Science+Business Media Dordrecht 2002

Authors and Affiliations

  • Arin Judith Chwalow
    • 1
  • Adekunle B. Adesina
    • 2
  1. 1.Institut National de la Santé et de la Recherche MédicaleFrance
  2. 2.Bernadir ConsultFrance

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