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

J Epidemiol Community Health. 2017 May;71(5):520. doi: 10.1136/jech-2016-208555. Epub 2016 Nov 11.

Authors

Marleen M H J van Gelder^{1

2}, Pauline M Geuijen¹, Jeanne H M de Vries³, Nel Roeleveld^{1

4}

Affiliations

¹ Department for Health Evidence, Radboud Institute for Health Sciences, Radboud University Medical Center, Nijmegen, The Netherlands.
² Radboud REshape Innovation Center, Radboud University Medical Center, Nijmegen, The Netherlands.
³ Division of Human Nutrition, Wageningen University, Wageningen, The Netherlands.
⁴ Department of Paediatrics, Radboudumc Amalia Children's Hospital, Radboud University Medical Center, Nijmegen, The Netherlands.

PMID: 27836918
DOI: 10.1136/jech-2016-208555

No abstract available

Keywords: Cohort studies; PREGNANCY; RESEARCH METHODS.

Publication types

Letter
Research Support, Non-U.S. Gov't

MeSH terms

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