Principles of survey development for telemedicine applications.

  title={Principles of survey development for telemedicine applications.},
  author={George Demiris},
  journal={Journal of telemedicine and telecare},
  volume={12 3},
Surveys can be used in the evaluation of telemedicine applications but they must be properly designed, consistent and accurate. The purpose of the survey and the resources available will determine the extent of testing that a survey instrument should undergo prior to its use. The validity of an instrument is the correspondence between what is being measured and what was intended to be measured. The reliability of an instrument describes the 'consistency' or 'repeatability' of the measurements… CONTINUE READING