11.   Not only must it improve ratings, but it has to raise advertising revenue significantly in a weak economy.

12.   Some experts say that the emphasis on the programs has been shifting slightly, to an effort to improve ratings by soothing the senses of early-morning viewers.

13.   Some see a palace revolution in the offing, especially if the separatists are not able to improve their ratings and Parizeau refuses to modify his strategy.

14.   Still, improving ratings in that young category is crucial for the money-losing network to improve its financial performance, analysts say.

15.   The current Fox strategy is to see whether the new time period and even more promotion will improve ratings over the next few months.

16.   The network, owned by Walt Disney Co., expects the changes to help it improve ratings during the prime-time hours among the young viewers advertisers covet.

17.   The strategy should boost earnings and improve its ratings, he added.

18.   To shore up the system, states could be required to improve experience rating and maintain adequate trust-fund balances.

19.   WBLS has fought back with a series of changes that improved ratings slightly but have also suggested that the station is steering an unsteady course.

20.   CNN has experimented with programming changes recently and has said it wants to improve its ratings for times without breaking news.