According to theories of emotion and effective communication, an excellent way to give your speech psychological unity is to conclude by:

• A. Ending abruptly without a summary
• B. Introducing a completely new topic
• C. Referring back to the introduction or opening idea
• D. Listing all your main points again in detail

Answer: (C)

Verified step by step guidance

1. Understand the concept of psychological unity in speeches, which refers to creating a coherent and connected message that feels complete and satisfying to the audience.
2. Recognize that effective communication theories emphasize the importance of reinforcing key ideas to help the audience remember and understand the message clearly.
3. Evaluate the options given: ending abruptly or introducing a new topic can confuse the audience and break the unity of the speech.
4. Consider that listing all main points again in detail might be redundant and could reduce the impact of the conclusion.
5. Conclude that referring back to the introduction or opening idea ties the speech together, creating a sense of closure and reinforcing the main message, which aligns with psychological unity.