Which of the Following Is Most Likely to Improve Persuasion

Multiple Choice

Which of the following is most likely to improve persuasion?

A) when the communicator maintains direct eye contact with the audience
B) when the audience believe that the communicator is trying to persuade them
C) when the communicator says "you know" and "uh" often while speaking
D) when the communicator has someone else convey his or her expertise