4. 4.1. What are the four (4) major factors that determine the effectiveness of a persuasive message? (Provide referencing) 4.2. Explain persuasive communication techniques. 4.3. Explain the following communication methods. a) Verbal communication b) Non-verbal communication (provide referencing) Q5. Explain the following presentation methods: a) Arousing b) Persuasive (Provide referencing) Q6. 6.1. Explain the purpose of following different presentation aids and materials: a) Overhead projector slides/transparencies b) Paper hand-outs c) speaker notes (Provide referencing) 6.2. What are different techniques that can be used for presentations? (Provide referencing)