Effective frequency refers to the:
A) number of times a target audience must be exposed to an ad for it to be effective
B) percentage of the audience that must be exposed to an ad to achieve an objective
C) percentage of the audience that has seen the ad a minimum of three times
D) degree of selective attention given by the target audience relative to the objective
Answer: A) number of times a target audience must be exposed to an ad for it to be effective