The form of speaker credibility that refers to the speaker having a dynamic and enthusiastic delivery is indirect credibility.
Speaker credibility refers to the audience's attitude toward or perception of the speaker. It is composed of three dimensions: competence, trustworthiness, and dynamism. It refers to the speaker’s attempt to show the audience that he or she is reliable, credible, and trustworthy. There are three types of credibility: direct which is derived from first person experience, secondary which is derived from citing evidence from others, and indirect which is derived from the effective presentation. Hence, the form of credibility that refers to the speaker having a dynamic and enthusiastic delivery is indirect credibility.
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