Interestingly enough, there are only 4 basic personality types, according to a recent European study on human behavior.

personality types

A new European study on human behaviour suggests that people can be divided into one of four main personality types — with ‘Envious’ being the most common.

The new research, carried out by a team of researchers from Universidad Carlos III de Madrid and the universities of Barcelona, Rovira i Virgili and Zaragoza, Spain, presented 541 volunteers with hundreds of social dilemmas and asked them to report on what they would do in each situation.