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English Communication for Scientists 
Unit 4: Giving Oral Presentations
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4.4  Answering Questions

 

The questions that arise after a presentation may frighten you even more than the presentation itself, yet they are a great opportunity to reinforce your main message, correct any misunderstandings, and provide supplementary content. You can increase your effectiveness by preparing for questions and by giving yourself the time to answer optimally.
To prepare for questions, anticipate them. Think of what your audience might want to know — for example, details you initially planned to include but left out to keep your presentation under the time limit. Practice your presentation in front of colleagues and let them ask you questions. If you think slides would help you answer some of the anticipated questions, consider creating them.
When receiving a question, do not rush into answering it. First, listen to the entire question to make sure you understand it; do not interrupt the questioner. Then, make sure the other attendees understand the question: If they might not have heard it, repeat it; if they heard it but might not understand it, rephrase it. Finally, and even if you know the answer, think: Take time to construct a concise, to-the-point answer. You will not appear more knowledgeable by answering questions quickly; you reveal your expertise by answering them usefully.
When taking questions, Marie listens carefully, occasionally asking a question for clarification. She can then provide a more useful answer, one that is short and to the point.
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In most situations (Ph.D. defenses being a possible exception), the questions that follow a presentation are not an exam. In other words, attendees do not ask questions to test you; rather, they ask questions because they would like to know the answers. Accordingly, do what you can to help your audience — in one way or another. If you do not know the answer, say so, then try to find it. You might offer to look it up ("I do not have the numbers with me, but if you leave me your e-mail address, I can look them up and send you the answer later."). You might refer the questioner to someone who might have an answer ("Oh, that is a strongly biological question. I am a chemist myself, so my work focuses on the chemical processes involved. Is there a biologist in the room who can answer this question?"). You might even guess, as long as you make it clear that your answer is a guess ("I have never calculated it in the case you mention, but if I had to give you an answer right now, I would guess . . . around 5 mV.").
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