Duplication & multi-source online panel recruitment: real quality differences or idle rumours?
Kristof De WulfVlerick Leuven Gent Management School & CEO, XL Online Panels, Belgium
Sam BertelootOperations & Business Development Manager, XL Online Panels, Belgium
INTRODUCTION
An online research panel is generally defined as a pool of people who have agreed to repeatedly take part in web surveys (Duffy et al, 2005; Göritz et al, 2002). While the advantages related to the use of online research panels are relatively obvious (easy access to research participants, targeted sampling for low-incidence groups, rapid data collection, previously collected background information...