Sample size for pre-tests of questionnaires

Thomas V. Perneger, Delphine S. Courvoisier, Patricia M. Hudelson, Angèle Gayet-Ageron
  • Quality of Life Research, July 2014, Springer Science + Business Media
  • DOI: 10.1007/s11136-014-0752-2
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The following have contributed to this page: Dr Angèle Gayet-Ageron