Tham khảo tài liệu 'the craft of scientific presentations - m alley (springer 2003) episode 4', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 52 The Craft of Scientific Presentations to waste Quayle inadvertently said What a waste it is to lose one s mind or not to have a mind is being very wasteful. 11 In searching for the right words everyone on occasion makes mistakes. Quayle s mistake was embarrassing. What made the mistake inexcusable though was that he knew beforehand that his critics from the New York Times and other publications would be present and monitoring his every When the exact wording of scientists and engineers is under such scrutiny then reading a prepared statement makes sense. Speaking off the Cuff The principal advantage of speaking off the cuff or extemporizing is that you do not have to spend any time in preparation. If a second advantage exists it is that the speaking pace of the presenter parallels the comprehension pace of the audience. Given the cost though in assembling a professional audience for a presentation such a strategy for an entire presentation is unsound. For a complex subject the likelihood is low that an extemporaneous speaker would come up with an efficient and effective structure that emphasizes the most important points and that makes smooth transitions between those points. Moreover the potential for disaster the speaker becoming lost is high. This potential for disaster might also be a deep source of nervousness for the speaker. After all the best countermeasure against nervousness is preparation. Also with extemporizing the likelihood is high that the speaker will lose the audience should the presentation go into any depth. Yet another disadvantage is that little chance exists for visual aids other than a writing board. Although such a strategy is discouraged for a conference presentation lecture or business meeting prac Speech The Words You Say 53 ticing short extemporaneous talks is time well spent because often in conference presentations lectures and business meetings one is forced to extemporize during question periods. The more practice that a
