A discussion about ratings compression


Charlie_SislenThere has been a perception that Arbitron’s (now Nielsen) transition to PPM in the country’s largest markets has resulted in ratings compression. It is a hard idea to refute when you look at an AQH rating ranker and find multiple stations tied with a 0.5 (for example), and often only 0.1 or 0.2 of a rating point can separate a dozen radio stations in a given market. If you accept the notion that perception is reality, then all of these stations are tied, and on a cost per point basis there is no difference.

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