RAJAR respondents
A re–contact survey
John Stockley Ipsos-RSL Ltd andTim Farmer Ipsos-RSL LtdBACKGROUND
Radio Joint Audience Research Ltd (RAJAR) is the audience measurement system operating in the United Kingdom and supported by the BBC, commercial radio stations, advertising agencies and media buyers. Several major changes were introduced to the personal diary and to other aspects of the RAJAR methodology from January 1999. The background to these changes, the associated development work and a description of the new methodology were reported at previous ARF/ESOMAR conferences. In summary, the current procedure includes the collection of demographic information...