@article{Laguilles2011,
author = {Laguilles, J.S. and Williams, E.A. and Saunders, D.B.},
title= {Can lottery incentives boost web survey response rates? Findings from four experiments},
year = {2011},
doi = {10.1007/s11162-010-9203-2},
volume = {52},
number = {5},
pages = {537--553},
}