Archive for April, 2010

Recruiting Probability Samples for a Multi-Mode Research Panel with Internet and Mail Components


Survey response rates have been declining over the past several decades, particularly for random-digit-dialing (RDD) telephone surveys (see de Leeuw and de Heer 2002; Steeh 1981). This trend affects research panels such as the Gallup Panel, which uses RDD methodology to recruit its members. If significant improvements in panel recruitment response rates are to be achieved, new approaches must be considered. This paper presents the findings of a mail and telephone mode experiment conducted by the Gallup Panel to analyze the individual and combined effects of incentives, advance letters, and follow-up telephone calls on the panel recruitment response rate. Read more