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

<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...

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Xehetasun bibliografikoak
Egile Nagusiak: Salt Alison (Egilea), Taylor David (Egilea), Jones David (Egilea), Pike Katie (Egilea), Kenyon Sara (Egilea), Marlow Neil (Egilea), Brocklehurst Peter (Egilea)
Formatua: Liburua
Argitaratua: BMC, 2005-08-01T00:00:00Z.
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