10/20/2008 05:12 am ET Updated May 25, 2011

"Survivor" TV's Most Addictive Show: Study

MADISON Ave. can now measure how addicted you are to your favorite shows.

Turns out that "Survivor," the long-running reality show heading into its 17th edition, has the highest loyalty rating, according to a new measure called the Emotional Attachment Index (EAI).

While Nielsen ratings measure the raw numbers of people who are watching a show at any given time, the EAI - created by the same Long Island research company that supplies the famous "Q scores" of TV personalities - indicates the passion viewers have for the shows they watch.

It is done, in part, by determining a viewer's commitment to watch a particular show in the future.

Among the other high-scoring EAI shows are "Heroes," "House," "Grey's Anatomy" and the little-watched-but-apparently-well-loved CW series "Supernatural."

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