The Six Principles of Persuasion

In the book Influence by Robert B. Cialdini, six principles of persuasion are listed. Here they are:

1. Reciprocation
2. Commitment and Consistency
3. Social Proof
4. Liking
5. Authority
6. Scarcity

For a more in-depth review of the principles, read the book and also read the rest of this website :)