With the planned extension of the Arbitron Portable People Meter rollout in eight additional top markets this month, interest in the new research methodology at the recent NAB Radio Show was high.

Arbitron has begun beta-testing its new PPM360 technology. While the audience research company didn’t say which PPM markets have the new meters, spokeswoman Beth Webb said on its monthly client this ...

Campaigners have called for an immediate ban on pre-payment meter (PPM) installations through court warrants over fears that energy firms are using them to disconnect indebted customers "by the back ...

Taylor Nelson Sofres (TNS) has won a contract with Belgian broadcasting companies VRT and VAR to research the listening and viewing habits of the Flemish community, which will use the Portable People ...

A total of 43 markets now have Portable People Meter (PPM) ratings as 10 new markets officially began using the electronic ratings data as currency with Monday’s release of September data. Arbitron ...

Six of Arbitron’s group clients – including the biggest of all, Clear Channel – have told Arbitron what they think the company needs to be doing to improve their confidence in using Portable People ...