As Lisa Shraiber, Ph.D. stated that public speaking is presenting speech through formal way in a public. She continued her statement by saying that public speaking is not only about speaking in a public, but it is also about how you make your audience remember and understand what you have said. Being professional in your job, you must be able to speak and communicate with others well since it leads you to have qualities in your job. Therefore, public speaking is performing speaking in public through formal way, but the speaker must be able to make the audience understand with the material which deliver by the speaker.
Based on Discovering the treasure of public speaking book, there are five types of public speaking:
1. Impromptu Speech Impromptu speech is a form of speech where the speech is delivered by no preparation, but it should be delivered in the same manner as a prepared speech. impromptu speech involves the writer to write speech text at the time when the writer will deliver their speech.
2. Prepared Speech Prepared speech is a form of speech where the speech is well prepared and it is purpose to persuade and to inform the reader about topic that based on speaker’s interest and experience.
3. Demonstration Demonstration is presenting an idea with visual aids which is purpose to teach the audience.
4. Presentation Presentation is giving information or giving insight about a topic in an auditorium.
5. Reports Report is a form of giving report about something that has been done, such as committee
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