L. M. ROBERTS ;
S. WILSON ;
A. ROALFE ;
P. BRIDGE
|
2004
Dans BMC Health Services Research (Vol.4, n°30, 2004) Article : Périodique
Dans BMC Health Services Research (Vol.4, n°30, 2004) Article : Périodique
BACKGROUND: Postal questionnaires are an economical and simple method of data collection for research purposes but are subject to non-response bias. Several studies have explored the effect of monetary and non-monetary incentives on response. Re[...]
Historique