Certainly people is different but we share particular characteristics which familiarize each other. The theory of temperaments suggests that biologically we born predisposed to respond in a specific way to the world around us and according to the environment in which we grow, it make us to acquire a determined character.
This theory is a theory of fundamental personality traits.
The basic temperaments are sanguine, melancholic, choleric and phlegmatic.
To find out what type of personality is ours, we have to answer the test based on inkblots and its possible Rorschachs interpretation.