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a phenomenon which occurs when relatively large groups of a radio or TV audience drop concentration, or stop listening altogether, for a period; audience tune-out may result from high clutter levels of commercial advertising or station or channel ...
- All non-programming time on radio and TV; this includes time given to advertising commercials, station or channel promotions, station or channel identifications and program credits. Excessively high clutter levels may result in audience tune-out.
 See also: Variable, Introduction, Combination, Appointment, Analytical
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