Improving survey participation: cost effectiveness of call-backs to refusals and increased call attempts in a national telephone survey in France

Improving survey participation: cost effectiveness of call-backs to refusals and increased call attempts in a national telephone survey in France. Legleye, Stéphane; Charrance, Géraldine; Razafindratsima, Nicolas; Bohet, Aline; Bajos, Nathalie; Moreau, Caroline. Public Opinion Quarterly. 2013; 666-695: p.666-695. doi:10.1093/poq/nft031
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