In cognitive psychology, a speaker uses logos to persuade the audience when:

• A. They evoke emotions to connect with the audience on a personal level.
• B. They appeal to logic and present rational arguments supported by evidence.
• C. They rely on their credibility or authority to convince the audience.
• D. They use repetition and rhetorical questions to engage the audience.

Answer: (B)

Verified step by step guidance

1. Understand that in cognitive psychology and rhetoric, 'logos' refers to the appeal to logic and reason in persuasion.
2. Identify that logos involves presenting rational arguments, facts, statistics, or evidence to support a claim.
3. Recognize that other persuasive appeals include 'pathos' (appealing to emotions) and 'ethos' (appealing to credibility or authority).
4. Analyze each option to see which one aligns with the definition of logos: the correct choice will involve logical reasoning and evidence.
5. Conclude that the statement 'They appeal to logic and present rational arguments supported by evidence' best describes the use of logos.