Nielsen has completed a pilot study of its new diary-based, U.S. radio measurement service, scheduled to launch next spring. The trial was fielded from Dec. 4-10 in Lexington, Ky., one of 51 small markets to be measured by Nielsen when it goes live with the fledgling service beginning with the eight-week March-April, 2009 survey. The company expects to unveil initial findings from the test in February.
The media measurement behemoth’s U.S. radio ratings entree uses the same address-based sampling methodology Nielsen began using for TV measurement beginning with the November sweeps.
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