In order to effectively interact with people, both in professional activities and in personal life, you need to be able to see the situation through their eyes, understand what is important to them and what they expect from communicating with you. To do this, you need to learn to determine which of the six personality types you and your interlocutor belong to: Actor, Sociologist, Participant, Intellectual, Pragmatist or Controller. Detailed characteristics of each personality type and its compatibility with the other five, tests, vivid examples from books and movies - all this will help you understand people at first glance and find an approach to them.