Final answer:
It is true that effective delivery of an oral presentation requires practice to refine fluency, physical delivery, and use of media, ensuring the presentation is engaging yet focused on content.
Step-by-step explanation:
Effective delivery of an oral presentation, regardless of its level of formality, requires practice. This assertion is true because practice allows presenters to fine-tune their fluency, reduce the use of verbal fillers, and refine their physical delivery of gestures, facial expressions, and posture. The balance between engaging the audience with physical expressions and not distracting them from the content is crucial for an effective presentation. Practicing in various scenarios, such as speaking in front of a mirror or rehearsing with technology that will be used during the presentation, can help address these issues.
Additionally, understanding and incorporating cultural nuances, as well as testing out media components, will further enhance the quality and delivery of an oral presentation. Ultimately, repeated rehearsals contribute to a fluid, meaningful, and impactful speech.