This relates to the Jakob psycological Effect

We don't expect other people to be perfect but appreciate when people show their vulnerabilities and admit errors. Yet, we're afraid to expose our own shortcomings.

This is known as "the beautiful mess effect." We see other people's honesty about their flaws as pos...

People place too much importance on one aspect of an event and fail to recognize other factors.

To combat this effect, it is important to remember to keep perspective, look at problems from many angles, and weigh several factors before making a decision. 

• Collection Sets: Giving people a few items, badges & you telling them that this is part of a collection. This creates a desire to complete the set. Pokemon cards. 
• Exchangeable Points: users can utilize their accumulated points in a strate...