
Read this: BBC Radio Blog: A RAJAR primer
Summary: Today RAJAR collects information on behalf of over 300 stations, ranging from very small local services to the national networks. These people are chosen at random within carefully selected areas to ensure the survey is completely representative in terms of the type of people who participate and the areas where they live. The random selection process also ensures inclusivity as much as possible - non-listeners are recruited, while people with disabilities are encouraged to take part with the help of a family member or carer if necessary. - bbc.co.uk
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