PERSUASION TIP 10 Persuasion is strongest when the messenger is credible. I found it easy to get volunteers for hypnosis by saying I was enrolled in a hypnosis class. I doubt I could have recruited volunteers so easily by saying I was reading a book about hypnosis. The class gave me some credibility with strangers, and a hypnotist in training needs a lot of strangers to practice on. One of the things we learned in class is that
