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Nielsen Ratings - Wikipedia, the free encyclopedia (1546 words) |
 | Nielsen Television Ratings statistics are gathered in two ways: one is by extensive use of surveys, where viewers in various demographics are asked to keep a written record (called a diary) of the television programming they watch throughout the day and evening. |
| Television ratings are not an exact science, but they are a powerful force in determining the programming in an industry where millions of dollars are at stake every day. |
| Much of the ratings system, however, still consists of the completion by viewers of ratings diaries, in which a viewer records his or her viewing habits, generally for a week, in exchange for being advanced a nominal fee. |
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