Copyright © Philip M. Parker, INSEAD. Terms of Use.
(From Wikipedia, the free Encyclopedia)
It does so by randomly selecting people and cold-calling them. People who agree to participate are given diaries to fill out describing what radio programs they have listened to. This information is then sold to radio companies and advertisers. Information is collected and available on a regional basis.
Source: the above text is adapted by the editor from Wikipedia, the free encyclopedia under a copyleft GNU Free Documentation License (GFDL) from the article "Arbitron."
Copyright © Philip M. Parker, INSEAD. Terms of Use.