They don't document the methodology. Are bowls excluded from their statistics? What effect did participation in the 4 team playoff have? When Nielsen lists a stat like 4.02 million, TCU vs Texas OR Wisconsin VS Purdue did they just split the difference between 4 teams and two conferences or credit all teams/conferences with 4.02 million in viewership? Does Notre Dame get included with the ACC or not? Did they calculate the averages week by week and average that or average all data after the regular season? Are games from the LHN included? Did they average by team first and then by conference? Did conference games have the same weighting as non conference games? What does P2 + 000 mean on your 2015 source? Are conference championship games included? It is easy to use the same source of data and come up with wildly different numbers if you aren't using the same methodology. I'd be willing to accept any but the 2015 data as reasonable since the variation from year to year is within a plausible range. 2015 is an outlier at best. It gets tossed out. I really have no idea who gets the most eyeballs on the conference games nor do I much care to tease out all of the nuances that affect viewership. As more games become available over the internet the data will be increasingly unreliable because Nielsen won't capture that. Whether the Big12 makes the playoffs and wins the National Championship is really the only thing that matters. Success will breed success, failure will not.
Um, yes they do document methodology. You can go to Neilson's website and look up exactly how they calculate ratings. You and some of the other posters are getting too hung up on the fact that I linked to different websites. All the websites are using Neilson ratings, so the data are the same. Now, some of you questions, I can answer simply based on that.
Are bowls excluded from their statistics?
For 2011, 2013, 2014 yes, bowls are excluded. They are simply the ratings for the regular season. If you read the links, this would be apparent. For example, in the 2014 link, it lays out a table documenting the ratings for each conference week-by-week, from 1-15. Then it has another graph listing the average of those weekly ratings.
What effect did participation in the 4 team playoff have?
None, for those years listed. The bowls weren’t included, neither were the playoff games.
When Nielsen lists a stat like 4.02 million, TCU vs Texas OR Wisconsin VS Purdue did they just split the difference between 4 teams and two conferences or credit all teams/conferences with 4.02 million in viewership?
Don’t know. However, if you look at the week-by-week ratings, this occurs with everyone. In other words, either way you add those split games, it’s not going to significantly skew the data, because it basically evens out over the course of the season.
Does Notre Dame get included with the ACC or not?
Notre Dame does not count, unless they are playing against another ACC team.
Did they calculate the averages week by week and average that or average all data after the regularseason?
They took the averages week by week, then the overall average. The reason being, if you just took the average of total viewers, then one league could get a bigger total simply by having more games.
Are games from the LHN included?
Nope. Games from the SECN, BTN, P12N, and CBSSN are not included. That’s because Neilson does not take ratings for those channels.
Did they average by team first and then by conference?
No. They did this week-by-week. They took all the games for said conference that week, and got the average rating for that week. You can’t take a yearly average for each team, and a weekly average at the same time.
Did conference games have the same weighting as non conference games?
Yes. This is reading too much into it. Neilson simply rates how many viewers a game got. There is no way to weight conference games, because all games are rated the same way.
What does P2 + 000 mean on your 2015 source?
Don’t know. Here’s the thing. You and other posters are making a big deal out of the fact that the numbers are bigger in 2015. What interests me in that the order of finish in 2015 is consistent with the other years: Big Ten/SEC at the top, ACC in the middle, Big 12/Pac 12 at the bottom. That suggests to me that there is nothing “fishy” about 2015, simply because the actual numbers are larger, because the ratio is consistent.
Are conference championship games included?
Yes. Conference CCGs are included. Keep in mind that the Big 12 also has games on that weekend, so this isn’t skewing the data.