If you are the audience of any presentation and during presentation you want to ask something, but speaker does not allow you to speak, you wait till end. What type of presentation this is?
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Answer:

AUDIENCE ENGAGEMENT DELIVERY PRESENTATIONS STRATEGY TIPS
10 Ways to Interact With Audience Members While You Present
BY DOUG NEFF | 6 MIN READ

Presentation expert Clif Atkinson tells a great story about a 2009 education conference where two speakers got very different reactions from their audiences. The first speaker started off with interactive exercises, he was entertaining, and overall, he was a hit. The second speaker launched in with a more traditional powerpoint, and he… didn’t go over quite so well. In fact, while he presented, bored attendees started a “backchannel” on Twitter. They critiqued his slides, his content, and his delivery until finally, someone suggested a t-shirt. By the end of the keynote, you know exactly what happened: the t-shirt you see above was for sale on café press.
All this to say that audience participation isn’t necessarily a good thing. What you’re aiming for isn’t just participation for the sake of participation, but an interaction that gets the audience closer to embracing your ideas. You want to keep them engaged, on their toes, and show them that you value and want to connect with them. To that end, we offer you these 10 positive ways to interact with audience members to foster engagement and participation.
Answer:
The first step in preparing a presentation is to define the purpose of your presentation
1. Informative
Keep an informative presentation brief and to the point. Stick to the facts and avoid complicated information. Choose one of the following organizational structures for an informative presentation
2. Instructional
Your purpose in an instructional presentation is to give specific directions or orders. Your presentation will probably be a bit longer, because it has to cover your topic thoroughly. In an instructional presentation, your listeners should come away with new knowledge or a new skill.
3. Arousing
Your purpose in an arousing presentation is to make people think about a certain problem or situation. You want to arouse the audience’s emotions and intellect so that they will be receptive to your point of view. Use vivid language in an arousing presentation– project sincerity and enthusiasm.
4. Persuasive
Your purpose in a persuasive presentation is to convince your listeners to accept your proposal. A convincing persuasive presentation offers a solution to a controversy, dispute, or problem. To succeed with a persuasive presentation, you must present sufficient logic, evidence, and emotion to sway the audience to your viewpoint.