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Radio Joint Audience Research Limited (RAJAR) was established in 1992 to operate a single
audience measurement
Audience measurement measures how many people are in an audience, usually in relation to radio listenership and television viewership, but also in relation to newspaper and magazine readership and, increasingly, web traffic on websites. Somet ...
system for the radio industry in the United Kingdom. RAJAR is jointly owned by the
BBC #REDIRECT BBC #REDIRECT BBC
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and
RadioCentre. RAJAR's predecessor was called Joint Industry Committee on Radio Audience Research (JICRAR). Prior to this, the BBC and RadioCentre's predecessor CRCA carried out their own measurements independently of each other.
Structure
The company operates as a Joint Industry Committee (JIC) and its Board is chaired by an independent Chairman. It has shareholder representation from the BBC and the commercial sector, as well as the,
Institute of Practitioners in Advertising
The Institute of Practitioners in Advertising (IPA), incorporated by a Royal Charter, is the trade body and professional institute for agencies and individuals working in the UK's advertising, media and marketing communications industry.
History
F ...
(IPA) and the Incorporated Society of British Advertisers (ISBA). The company is a non- profit making entity.
Purpose and methodology
RAJAR collects information on behalf of over 300 BBC and
Ofcom
The Office of Communications, commonly known as Ofcom, is the government-approved regulatory and competition authority for the broadcasting, telecommunications and postal industries of the United Kingdom.
Ofcom has wide-ranging powers acros ...
Licensed commercial radio stations, ranging from very small local services to the national networks. Station listening by time, duration, platform (
AM/
FM,
DAB, Online/APP, and
DTV) and location (in car, at home, at work, or elsewhere) is recorded and published on a quarterly basis.
The research methodology is based on a continuous diary survey (ex. Christmas holidays) measuring the listening behaviour of over 54,000 adults (aged 15+) a year.
The diary is filled in on a quarter-hour basis for one week's listening drawn from a sample representative of the individual station transmission area and the nation as a whole. The fieldwork for the Research is carried out on behalf of RAJAR by specialist research contractors, currently
Ipsos Mori
Ipsos MORI was the name of a market research company based in London, England which is now known as Ipsos and still continues as the UK arm of the global Ipsos group. It was formed by a merger of Ipsos UK and MORI in October 2005.
The company ...
. The sampling point framework is undertaken by RSMB Ltd.
The diary based system is the most common method of measuring radio audiences worldwide. Some countries have introduced electronic devices called audiometers. RAJAR has tested over recent years several audiometers but has not determined any viable for introduction in the UK market. RAJAR continues to work with developers to determine future viability of innovations with audio meters and any new measurement techniques that could be of use.
Historically, the data has been collected from respondents via a paper diary. From Quarter 3, 2011 RAJAR introduced an online version of a radio listening diary (Radio Diary) as an additional collection methodology. It is recognised that respondent engagement is critical to the continued quality of the survey and that by offering a choice as to how people record and return their listening data will help maintain the current high levels of participation and completion into the future. Additional benefits also include higher accuracy in attribution of listening to the different platforms (Digital/non digital) as well as higher in home completion that in turn enhances overall data quality.
References
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External links
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Radio in the United Kingdom
Audience measurement
1992 establishments in the United Kingdom
Organizations established in 1992
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