Nielsen wants to make it easier for media buyers and sellers to tell when multiple viewers are watching something together.

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 is taking its Portable People Meter (PPM) system wireless. The new PPM 360 meter uses cellular telephone technology to send in its data, so panelists will not have to dock the device at night ...

Now that Arbitron has unveiled the next generation of its Portable People Meter (PPM) technology, PPM 360, where is it heading? RBR-TVBR spoke with the point-man for the technology, Arbitron Chief ...

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 ...

An independent study of Arbitron's PPM (Portable People Meter) panellists has uncovered how some try to 'beat the system' in order to earn more monthly payments. The rating giant's PPM is an ...