<P> Nielsen ratings are the audience measurement systems operated by Nielsen Media Research that seek to determine the audience size and composition of television programming in the United States using a rating system . </P>
<P> Nielsen ratings are the audience measurement systems operated by Nielsen Media Research that seek to determine the audience size and composition of television programming in the United States using a rating system . </P>
the nielsen television ratings is an example of a
the nielsen television ratings is an example of a
audience measurement systems
audience measurement systems