Jelke Bethlehem

  • Citations Per Year
Learn 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)
Online panels have become a prominent way to collect survey data. They are used in many fields including market research (Comley, 2007; Göritz, 2010; Postoaca, 2006), social research (Tortora, 2008), psychological research (Göritz, 2007), election studies (Clarke, Sanders, Stewart, & Whiteley, 2008), and medical research (Couper, 2007). Panel-based online(More)
An international conference on quality issues in official statistics, Q2001, was held in Stockholm on May 14-15, 2001. The conference was jointly organised by Statistics Sweden and Eurostat. During the conference the results of the Leadership Group (LEG) on Quality were presented and discussed. The LEG was led by Statistics Sweden and its members came from(More)
  • 1