Effects of estimated completion time and unconditional gift certificates on questionnaire response

Marleen M H J van Gelder, Pauline M Geuijen, Jeanne H M de Vries, Nel Roeleveld

Research output: Contribution to journalArticleScientificpeer-review

Original languageEnglish
Pages (from-to)520
JournalJournal of Epidemiology and Community Health
Issue number5
Publication statusPublished - May 2017
Externally publishedYes


  • Female
  • Humans
  • Motivation
  • Postal Service
  • Reward
  • Surveys and Questionnaires

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