Competence, character, sociability, composure, and extroversion are aspects of which of the following?

The correct answer is source credibility, which refers to the trustworthiness and expertise of the speaker in the context of communication. Competence, character, sociability, composure, and extroversion are all characteristics that contribute to how credible a speaker is perceived to be by an audience.

Competence reflects the speaker's knowledge and ability to discuss the topic, while character pertains to the ethical and moral qualities that influence audiences' trust. Sociability affects how approachable and relatable the speaker seems, contributing to a positive perception. Composure indicates how well a speaker can maintain their poise, especially in challenging situations, which bolsters credibility. Extroversion can enhance a speaker’s ability to engage with the audience, fostering connection and reinforcing their credibility.

These attributes collectively create a more favorable impression in the eyes of the audience, which is crucial for establishing credibility and effectively conveying the message.