Ben Franklin EffectIt means that people who have helped you are more willing to help you again than people you have helped.When Franklin was still a congressman, he made a speech in Pennsylvania. At that time, one congressman disagreed with his views and openly criticized and opposed them. Franklin

Aronson effect ：With the increase of motivation, people's attitude will become more positive, on the contrary, it will become more negative psychological phenomenon. It also means that people like things that show their appreciation, reward and praise, and do not like things that are negative and alwa