3 tips on how to use evidence to persuade

Speaker credibility

When a presenter wants to persuade listeners to do something – or change their point of view on an issue or topic – it’s not enough to rely solely on emotion to persuade. Speakers should also use evidence to support their contentions. Here are a few tips.

1. Cite your sources. If you’re using a statistic to support one of your main points, where did that information come from? Is the source reliable and trustworthy? If you’re the expert, fine. Make sure the audience knows about your experience/expertise related to the topic. (You’re not bragging; you’re qualifying yourself as a credible source.)

2. Connect the dots. Explain how the information you cite supports the points you’re making. Don’t just throw the information out there.

3. Use several credible sources to maximize persuasion, not just one. You may have a single expert you quote whose opinion or testimony supports your contentions in a powerful way. However, citing additional sources will bolster your arguments leading to persuasion. Using more than one source should also help mitigate audience members’ possible suspicions that if only one person, report or whatever supports your point of view, there’s something wrong. Why should they believe you based on only one source you cite? I’m guessing they want to hear more.

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