Audience members were unsure about the credibility of jim gilchrist, founder of the minuteman project border patrol group, when he came to speak on campus. as he spoke, he built his credibility by using high-quality evidence and relating to the concerns of his audience. after the speech, students agreed they would like to have him visit campus again for a roundtable discussion. according to your textbook, the credibility that gilchrist produced by the end of his speech is called credibility.