Occasionally, it becomes difficult to make individuals listen to your speech and win their hearts. There are a few aspects of an Informative speech outline that will make it persuasive. The first aspect is making it credible. For achieving this you can cite a trustworthy source and put forward your speech such that it matches that source. You should also and voice the Positives of your information. And lastly you must supply Concrete Proof for the information in your speech. Try and get facts that are going to support your information.