In cognitive psychology, people are more likely to remember and buy into a speaker's message if the speaker can:

• A. Establish credibility and appear trustworthy to the audience
• B. Speak as quickly as possible to convey more information
• C. Use complex jargon to demonstrate intelligence
• D. Avoid making eye contact to reduce distractions

Answer: (A)

Verified step by step guidance

1. Understand the concept of source credibility in cognitive psychology, which refers to how trustworthy and expert a speaker appears to their audience.
2. Recognize that research shows people are more likely to remember and be persuaded by messages from speakers who establish credibility and trustworthiness.
3. Evaluate the other options: speaking quickly can reduce comprehension, using complex jargon may confuse the audience, and avoiding eye contact can decrease engagement.
4. Conclude that the most effective strategy for a speaker to influence an audience is to establish credibility and appear trustworthy.
5. Relate this to the elaboration likelihood model, where credible sources increase the likelihood of central route processing, leading to stronger attitude change.