Extemoraneous, method of speaking best allows the speaker to respond to listener feedback. Audience may respond verbally or they may nod or raise their hands.
The style of Extemoraneous is the method mostly recommended in today's public courses and it is best method in the setting as well.Audience can ask a question or let you known if they do not understand. It also receive direct positive or negative feedback from members of the audience who agree or disagree with what you are saying.
This method is gives the freshness for does't sound canned and over rehearsed. Flexible form of delivery allows a speaker to make adjustments to their speech in response to non-verbal signals from the audience - sign of confusion, displeasure , curiosity and excitement.
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