The effect of a monetary incentive on return of a postal health and development questionnaire: a randomised trial [ISRCTN53994660]

• Main Authors: Salt Alison (Author), Taylor David (Author), Jones David (Author), Pike Katie (Author), Kenyon Sara (Author), Marlow Neil (Author), Brocklehurst Peter (Author)
• Format: Book
• Published: BMC, 2005-08-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

<p>Abstract</p> <p>Background</p> <p>Postal questionnaires are widely used to collect data in healthcare research but a poor response rate may reduce the validity and reliability of results. There was a lack of evidence available relating to use of a monetary incentive...