According to Sorrentino and Colleagues at the University of Western

According to Sorrentino and colleagues at the University of Western Ontario, if you are trying to persuade someone regarding an issue that is personally relevant to that person and that person has a certainty-oriented approach to new information, you would probably be more successful by:

A) having that person think carefully about your arguments.
B) presenting your arguments in a compelling and unbiased manner.
C) presenting your arguments in a persuasive and biased manner.
D) appearing to be an attractive speaker and an expert on that issue.