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College Viewers, New Rating System Boost Grey's Anatomy Numbers

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Nielsen Media Research's new ratings that incorporate college students have been a boon for ABC - particularly Grey's Anatomy, which has gained steam among the 18-to-24 age group that is translating into growth in the key 18-to-49 demographic.

College Viewers, New Rating System Boost Grey's Anatomy NumbersSince the January 29 launch of the ratings, Grey's Anatomy has added just over one rating point in the 18-to-49 demo, a bump that can be directly attributed to student viewing, according to a new report issued by Magna Global.

Before so-called college viewing - which takes viewing done by kids while away at school and aggregates it with their families' viewing back home, as if they are still a member of the household - Grey's Anatomy posted an average 8.7 in the 18-to-49 demo, which is now up to a 9.8.

Magna Global suggests that's partly because of a rise of 2.6 rating points in the 18-to-24 demo due to college kids.

Of the top-five (two are tied for fifth) shows with average gains in the 18-to-24 demo due to college kids, ABC has all but one: Grey's Anatomy, powered by a strong Season 3, with an additional 2.6, then Fox's "House" with an added 1.4, followed by ABC's "Lost" with 1.1, and its "Ugly Betty" with 1.0, and its "Men in Trees" and "Extreme Makeover: Home Edition" with a 0.7 addition each.

Still, it's uncertain whether the bumps among the 18-to-24 set are having an effect on a show's ratings in the coveted 18-to-49 demographic.

The college ratings - which are known as "extended home" - affect only about 150 households of Nielsen's 10,000 home sample. They don't measure what networks have long wanted: How many college students are watching shows in communal areas such as dorm lounges or student unions, at near-campus bars or other out-of-room hangouts.

A close look into the impact the college ratings are having on the 18-to-49 demo shows that "Lost" is on an extreme. It has soared 27 percent from a 3.3 to 4.2 in the 18-to-24 demo, but declined since January 29 in 18-to-49s average by 12 percent.

More in the murky realm is Fox hit "House," which has zoomed 106 percent in the college demo to an 8.3. But it has also increased significantly in 18-to-49s average by 65 percent to a 10.0. How much of the jump is attributable to the college boost?

Then take "Ugly Betty:" The show has shown a notable increase in the 18-to-24 demo (a 56 percent increase to a 3.7), but it's been flat at a 4.1 in 18-to-49s since Jan. 29 when the new ratings took effect.

Also count NBC's "The Office" among the inconclusive. It jumped 41 percent among 18-to-24s, but only 4 percent in the 18-to-49 chief selling demo.

Even if the 18-to-49 meter isn't moving for a show or network, advertisers targeting a younger audience are likely to take note of the alterations on the 18-to-24 performance.

In late night, "Saturday Night Live" has benefited from the greatest contribution from college students, followed by NBC's "Conan" and Fox's "MadTV." In cable, MTV, TBS, ESPN, Adult Swim and Comedy Central have seen the biggest lifts.

Steve Marsi is the Managing Editor of TV Fanatic. Follow him on Google+ or email him here.

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Well, I meant to say I am confused as to why the would NOT look at overall viewing audience rather than just 18-49.

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This is all confusing to me. Why do advertisers care more about the 18-49 demographic? The baby boomers are in their 50s and I would imagine most are still working and buying products. I would think that would be a pretty important demographic, too. We also have a lot of younger fans of Greys in the 13-17 age range. I am confused as to why they would look at overall viewing audience and not focus so much on the 18-49 age range.

Grey's Anatomy Quotes

Did you say it? 'I love you. I don't ever want to live without you. You changed my life.' Did you say it? Make a plan. Set a goal. Work toward it, but every now and then, look around; Drink it in 'cause this is it. It might all be gone tomorrow."

Meredith (closing voiceover)

There's a reason I said I'd be happy alone. It wasn't 'cause I thought I'd be happy alone. It was because I thought if I loved someone and then it fell apart, I might not make it. It's easier to be alone, because what if you learn that you need love and you don't have it? What if you like it and lean on it? What if you shape your life around it and then it falls apart? Can you even survive that kind of pain? Losing love is like organ damage. It's like dying. The only difference is death ends. This? It could go on forever.

Meredith