Table 3.
Number of Possible Ad Combination Exposures Viewed by Groups.
| 2004 | 2005 | 2006 | |
|---|---|---|---|
| Number of ads aired | 4 | 4 | 2 |
| Number of ad combinations | 16 | 16 | 4 |
| Number of ad combinations (n > 10) | 16 | 10 | 4 |
| Sample size | 2,256 | 1,946 | 1,623 |
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