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Household surveys can be conducted using various data collection modes. Each individual data collection mode has its shortcomings. Face-to-face interviewing is expensive. Not every household has a telephone/Internet connection and can be approached by CATI resp. a Web survey. Mail surveys have a low response rate. Mixing data collection modes provides an(More)
AIMS To determine the prevalence of regular, potential problematic and pathological scratchcard gambling (PSG) 5 years after the introduction of scratchcards in the Netherlands. DESIGN AND PARTICIPANTS A non-proportional stratified random sample of 12,222 scratchcard buyers was approached. Regular scratchcard buyers (n = 3342) were asked to fill out the(More)
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