It has been fascinating to watch Nielsen decide to stop offering a report that was created almost thirty years ago even as radio researcher Mark Kassof released a report that indicates almost exactly the same statistical relationship of a radio station's heaviest users to their total averages.
35% of all listeners, multivariate data pioneer Kassof finds, account for about 70% of all listening for the typical radio station.
As "Research Doctor" Roger Wimmer and longtime researcher Pierre Bouvard recall, a bright programmer/researcher - Gary Donohue - originated the concept of segmenting radio tuning into quintiles for programming and marketing.
Donohue's "Fingerprint" stats from back in the diary-only days proved that about 30% of radio listeners gave stations roughly 70% of their listening.
When you see two completely different research approaches yield very close to the same result over a very long period of time, you have to believe that you are approaching that rare entity: THE TRUTH.
Just because Nielsen has unplugged the "P-1 report," it's still vital to know who your heaviest users are, where they live and how they perceive and behave.
If you need assistance in creating your own reports to analyze their use of your station, A&O&B would be delighted to assist.
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5 months ago