How to Win an Argument, According to Science

...while you listen. This makes the speaker's arguments less persuasive, which makes your opinion look strong.

Fix the speaker in your sight as soon as they start speaking.

Repeating an argument back to the speaker can develop trust by proving that you're listening.

Try paraphrasing what you understand, using: " so you're suggesting ... because... ?"

• Know your facts thoroughly. 
• Use scientific-looking visuals (elements that people associate with science, like formula or graphs).
• Demonstrate that other people agree.
• Using phrases that indicate a degree of uncertainty makes you seem more interesting interested in finding the truth than in winning arguments.
• End your sentences with verbal affirmations (e.g." isn't it?").
• Lower the pitch of your voice. It improves your powers of persuasion.

1. Instead of attacking someone's ideas, try taking your opponent's basic beliefs and developing them into an absurd conclusion.
2. Flag your opponent's' dangerous beliefs.  It may have a positive effect on neutralizing your opponent.
3. Identify the shared ground between you and give genuine praise.

• Watch your posture. The most effective one is with your feet together and palms down or letting them move with the words.
• Don't get nasty. Validate your opponent's self-worth by being nice to them so they will be more receptive.
• Avoid using too many facts. People think emotionally, so moral intuitions often weight stronger than factual accuracy.