A full year of audience measurement with PPM

The large-scale evaluation of the portable people meter (PPM), consisting of a panel of 1,500 consumers age 6+ equipped with portable meters in Philadelphia, has passed the one-year mark.

A Full Year Of Audience Research With PPM

What we've learned so far

Robert H. Patchen and Beth M. Webb Arbitron Inc.

Introduction

We have reported the development of our PPM program at several previous ARF/ESOMAR conferences. Readers not familiar...