Arbitron’s Portable People Meter (PPM) system is currently replacing its old paper diary system. There are a number of radio veterans questioning PPM’s accuracy because listenership reports have ...

The Speaker and six other members of the New York City Council have introduced a resolution calling on Arbitron to hold up PPM deployment and for the FCC to investigate whether there is ethnic or ...

Two US Senate committee chairmen have written to Arbitron CEO Steve Morris expressing concerns about whether the Portable People Meter (PPM) under-reports minority listenership and thus threatens ...

The race to occupy space on the average American’s belt is heating up. Along with the cell phone (or two), PDA, Blackberry and multipurpose knife, the Portable People Meter (PPM) will become a ...

Is Nielsen preparing to support an aggressive rollout of portable people meters (PPM), the promising new system that can measure ratings for both TV and radio, and potentially other media and ...

Recently, Arbitron has introduced a new rating system called the Portable People Meter (PPM) that requires participants to carry a cell phone-sized device that picks up radio signals. Since its ...

Arbitron Inc., the radio ratings company, is changing the way it measures listening habits in the San Antonio area. The new method promises to shake up radio station rankings, which in turn could lead ...

Houston's KODA-FM (Sunny 99.1), has experienced a significant increase in ratings since switching to an all Christmas format, according to data emerging from the Arbitron (NYSE:ARB) Portable People ...