Repeating an ad message is often beneficial, for it develops a continuity of impression in the minds of the target audience, and may increase the predisposition to think and act favorably towards the products advertised. Everything else being equal, a repeated message increases awareness and knowledge on the part of the prospect. Audience retention improves with repetition, and falls off quickly when repetition is abandoned. The relationship of repetition and advertising effectiveness has been dealt with in detail in the chapter on “Advertising Effectiveness.”