National TV Toolbox User Guide - Nielsen
National TV Toolbox User Guide - Nielsen
National TV Toolbox User Guide - Nielsen
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Q6. How do I manually calculate C3 VPVH and/or VPMH?<br />
A6.<br />
Q7. How do I calculate a primary coverage area commercial rating?<br />
A7. Make the following selections on the Statistics page:<br />
- CVG AA%<br />
- Projection<br />
- <strong>National</strong> Commercial Statistics<br />
For standard universe estimates, calculate the primary Coverage Area NCCM AA% from the report<br />
results using this formula:<br />
CVG NCCM AA% = (Total US NCCM Proj / CVG UE ) * 100<br />
Q8. What statistic should be used to evaluate Average Commercial Minute audience data for<br />
syndication (AT) programs?<br />
A8. Many syndicated programs are sold with Additional Telecasts (ATs) incorporated into a single<br />
program audience estimate. This means that multiple episodes of the same program, each<br />
containing identical national commercial loads, air during the same week. These programs are<br />
bought and sold on a Gross Average Audience (GAA) basis. The national commercial inventory in<br />
these different episodes commonly occurs at slightly different times. Accordingly, to properly<br />
produce Average Commercial Minute estimates for these programs, Monitor-Plus needed to monitor<br />
the feed for each component episode individually in order to identify the actual commercial minutes<br />
in each episode.<br />
As these programs are bought and sold based on GAA estimates; the evaluation of Average<br />
Commercial Minute audiences should also be based on GAA estimates. Comparing the AA% and<br />
AA (000) program and Average Commercial Minute estimates for syndicated programs with ATs will<br />
result in illogical ratios or indices.<br />
The illogical ratios result from the fact that the total program AA% estimates for these syndicated AT<br />
programs are 'multiprocessed'. This means that viewing to the same 'Minute of Program'(MOP) in<br />
multiple component episodes is only counted once. However, in a commercial minute environment<br />
the commercial breaks in these different episodes occur at different times (in different MOPs).<br />
Viewing to commercial minutes in multiple component episodes is only 'multiprocessed' in those<br />
situations where commercial minutes align to same MOP. For this reason, viewing to commercial<br />
minutes is not 'multiprocessed' in equal proportion to the whole program.<br />
Example: Minutes of Program (commercial minutes)<br />
Episode 1: 1 2 3 4 (5 6 7) 8 9 10 11 12 13 14 (15 16 17) 18 19 20<br />
Episode 2: 1 2 3 4 5 6 (7 8 9) 10 11 12 13 14 15 (16 17 18) 19 20<br />
If a person viewed all 20 minutes of the above two component episodes of a syndicated AT<br />
program, the ratios of program minutes viewed to commercial minutes viewed would be as follows<br />
on both an AA% and GAA% basis:<br />
AA Basis:<br />
20 of 20 Program Minutes = 100% Program AA Rating<br />
9 of 6 Commercial Minutes = 150% Commercial Minute AA Rating<br />
Commercial to Program Min Index = 150 ((150/100)*100)<br />
The <strong>National</strong> <strong>TV</strong> <strong>Toolbox</strong> Workspace • 2-30<br />
<strong>National</strong> <strong>TV</strong> <strong>Toolbox</strong> <strong>User</strong> <strong>Guide</strong>
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