Which of the Following Is Not an Example of Using

Multiple Choice

Which of the following is not an example of using a "learned" attention-inducing stimulus?

A) A radio commercial that starts with the noise of a ringing telephone.
B) A television commercial that starts with the noise of a ringing doorbell.
C) A print ad with the bold headline, "Is FREE Cheap Enough?".
D) A piece of junk mail with the phrase "Pay to the order of" visible through the envelope's cellophane window.
E) All of the above are examples of using a "learned" attention-inducing stimulus.