How can a speaker effectively establish credibility during a speech?

Establishing credibility is essential for any speaker to gain the audience's trust and engagement. Demonstrating expertise and providing reliable sources effectively builds credibility by showcasing the speaker's knowledge and command over the topic. When a speaker shares their qualifications, experiences, and relevant data, the audience is more likely to perceive them as trustworthy. Citing credible sources or evidence also supports the speaker's arguments, reinforcing their authority on the subject matter. This combination of expertise and solid evidence helps the audience feel assured that the information presented can be relied upon, making the overall message more persuasive and compelling.

The other options would not enhance credibility. Reading from notes might suggest a lack of preparation or mastery of the topic. Using humor can be effective in engaging the audience, but excessive humor without substance can detract from the message and lessen the audience's view of the speaker's seriousness on the topic. Avoiding eye contact can signal discomfort or unpreparedness, which can undermine the audience's perception of the speaker's credibility.