According to the website, build trust in your marketing messages through the use of repetition. Researchers conducted a survey that asked participants to rate how much they trusted a statement. Some statements were repeated multiple times, while others were stated only once. The study Member Tips Logofound that people consistently rated the repeated statements as more trustworthy. Previous studies have found similar results. How can you use this knowledge in copywriting? Try the classic Dale Carnegie technique: Tell the audience what you’re going to say, say it; then tell them what you’ve said. Within your copy, repeat the statements you most want your audience to believe and remember.