“Bird in the hand” cash was more effective than prize draws...

Journal of Clinical Epidemiology 2014 / 02 Vol. 67; Iss. 2

“Bird in the hand” cash was more effective than prize draws in increasing physician questionnaire response

Drummond, Frances J., O'Leary, Eamonn, O'Neill, Ciaran, Burns, Richeal, Sharp, Linda
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Volume:
67
Language:
english
Journal:
Journal of Clinical Epidemiology
DOI:
10.1016/j.jclinepi.2013.08.016
Date:
February, 2014
File:
PDF, 460 KB
english, 2014
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