The IKEA effect makes people think anything they make themselves has increased value.
Codependency is characterized by sacrificing one’s personal needs in order to try to meet the needs of others and is associated with passivity and feelings of shame, low self-worth, or insecurity.
People who post Facebook status updates about their romantic partner are more likely to have low self-esteem, while those who brag about diets, exercise, and accomplishments are typically narcissists.
One of the reasons Microsoft chose the “Bliss” wallpaper for XP was because humans are instinctively attracted to open fields since they allow us to see any predators or prey very quickly. Resulting in your brain releasing endorphins as you use the operating system.
US police detectives have worn suits for more than 100 years. Dressing formally is “psychological armor”; it “establishes a barrier between them and the messiness” of police work, says a psychologist.
“Princess sickness” is a term used in China and Korea to describe a psychological phenomenon affecting young women characterized by narcissism, egocentrism and melodramatic personality resulting in individuals acting like princesses.
The average high school student today has the same stress level as the average psychiatric patient did in the 1950s.
A researcher in the 1970s blindfolded participants and told them they were going to play tug-of-war against another team. When they were told they had 3 others pulling with them, they pulled 18% less strenuously than when they were told they were alone. The effect is now known as social loafing.