Persuading a friend or coworker can be tough even if you have a set of stats to back you up. According to Stepcase Lifehack, one of the most under-utilised techniques for being more persuasive is building a good rapport through matching and mirroring.
Photo by Brian Johnson.
Instead of arguing your point in your own private way, mirror the person you're talking to in body language, speed of your voice, volume, and even your word choice. You need to be subtle when doing this, but it's a subconscious way to make the person you're speaking with more comfortable.
If they cross their legs, cross yours. If they speak with hand gestures, you should do the same. It's not just the physical aspects. Change the volume of your voice and the speed of the the conversation to match as well. If they're talking slowly and in a deep voice, try to do the same.
The idea is that you build relationships with people you admire and when you act similar to the person you're talking to, they subconsciously admire you more. Hit up the post on Stepcase Lifehack for a few more ways to use rapport to become more persuasive.
How to Be More Persuasive [Stepcase Lifehack]