8 Out of 10 Cats Does Countdown as part of its 30th anniversary celebrations. Amongst the programmes that were chosen to be merged for the evening of specials, production teams on "Countdown" and "8 Out of 10 Cats" agreed to merge the two formats of their respective programmes together - the crossover between the two formats meant that "Countdown"s arrangement of games would be interspersed with "8 Out of 10 Cats"-style banter. As part of the merger, both Rachel Riley and Susie Dent assumed their roles from the programme, while Jimmy Carr took on the mantle of host, with both Sean Lock and Jon Richardson competing as
British Household Panel Survey of Michigan, Ann Arbor (USA). The first cohort consisted of 10,300 individuals across Great Britain. As a panel survey it is a form of longitudinal study. Since 2008, the BHPS has been integrated into the UKHLS, now known as Understanding Society. BHPS data are integrated into the European Community Household Panel and the Cross National Equivalent File (CNEF) which contains panel data from Australia, Canada, Germany, Great Britain and the United States. British Household Panel Survey The British Household Panel Survey (BHPS), carried out at the Institute for Social and Economic Research of the University of Essex, is a survey