How accurate are peoplemeters?
Coincidental checks validate Germany's TV panel data - and offer some new insights into other activities
Thomas Merz, Gerlinde Schumacher and Thomas Sudholt
This paper begins with a useful summary of recent changes to Germany's national TV audience survey - eg its expansion to the East - and future plans. It then reports on the latest coincidental checks into the accuracy of the panel data. Despite the different techniques, these largely validated the panel data in terms of both household and individual viewing though, interestingly, the panel reported slightly lower viewing levels...