The AMS Radio Index is a random digital dial telephone survey of more than a thousand American adults that is conducted by GfK NOP, the weekly omnibus survey of GfK Omnitel of Princeton, N.J. A random sample of this size reflects American opinion within plus or minus three percentage points.
View the survey results:
AMS Radio Index conducted on: September 5-7, 2008
AMS Radio Index conducted on: March 28-30, 2008
AMS Radio Index conducted on: September 7-9, 2007
AMS Radio Index conducted on: March 30-April 1, 2007
AMS Radio Index conducted on: August 11-13, 2006
AMS Radio Index conducted on: April 13-15, 2006
AMS Radio Index conducted on: January 13-15, 2006 and January 20-22, 2006

