1) Effective presentations require both good ideas and the ability to clearly express those ideas to others, whether in small groups or larger presentations.
2) Many people feel nervous about public speaking but can improve their skills. It is important to understand your audience and prepare your content and delivery accordingly.
3) Proper preparation is key and involves understanding your message, audience, and purpose as well as structuring your presentation, anticipating questions, and practicing your delivery. Maintaining eye contact, using body language and visual aids appropriately, and handling questions confidently are important skills.