To add credibility to a speech, it is not necessary to use outside sources, as long as the speaker shares examples that he or she personally experienced.

Question

Quizplus · Accepted Answer

While personal experience can enhance the credibility of a speech, using outside sources such as statistics and expert opinions can also add credibility by demonstrating that the speaker has done research and has knowledge beyond their own experience.

To Add Credibility to a Speech, It Is Not Necessary