“We looked at behaviors of PPM panelists, not just in terms of radio stations they listen to but also how they interact with the meter itself — what they think of it, how they use it. How do all of ...

Several sessions being presented today focus on the Portable People Meter (PPM), how it will affect the diary and measuring listenership.

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 ...