In the long evolutionary history of human, there are many strange Mental Phenomena (getting Phenomena), psychologists have been studying these Phenomena affect humans.
Broken window theory
Broken window theory is a theory of criminology, by James Wilson (James q. Wilson) and George surrounding (George l. Kelling) is put forward, and is, a house once appear, the broken Windows and without timely repair, so other Windows will also be gradually broken, resulting in burglary cases.
This theory can be introduced into the life, for example, we came to a clean environment, even himself can't find the trash can, also will not bear to throw to the ground, on the contrary, if we came to a messy environment, so most people won't care about whether there is a garbage thrown into the trash.
Because, the first "broken window", this bad situation continues and deteriorating, it is a kind of the psychological rule, is a kind of irresistible human psychology, the critical value of the breakthrough makes people have no concern and the bottom line.
Empty cage effect
Empty cage effect by the famous Harvard University psychologist James suggested that is human can't get rid of one of the top ten psychology theory. Is, people are buying the empty cage, can't help want to buy a bird, in fact, this is a kind of psychological inertia, a terrible restricted thinking, is not is the bird's cage?
Memories life carefully, you will find that empty cage effect everywhere, everywhere. The pen must be used to write with? Buy the clothes we want to buy a pair the shoes? Thinking is limited, let we have the default of social rule, behavior rule, we never hesitate to the law of right and wrong, actually this is the psychological nature of the social stratum curing.
Hawthorne effect
Hawthorne effect is the result of management psychology, is if a person who suddenly got extra attention, so, his words and actions will change, hawthorne effect is often applied to improve the working efficiency of the workers.
Of Harvard University psychologist once to a factory to do such research, experts from the electronics shop to find six women as a group of observed objects, they tried to change all kinds of methods of external factors to improve the efficiency of their work, it was found that their work efficiency is raised, and really help to them, they are divided into a group and the feeling of special care by everyone, it makes them feel special, excellent.
I hope my answer help you ~