Believe it or not the "socionic model of the psyche" was not something origionally derived by Augustinavichiute. She actually borrowed the idea from a social model devised by Plato 1000s of years ago, combined them with Jung's collective unconscious, functions, and system of typology , and gave them Freudian style names [Ego, Id, Super-Id, Super-Ego].

Plato had done some classifications of the behaviours of people and came up with four classes by which he called "types of souls" (The word 'psyche' actually came from the greek word psuche, which means soul). They are Tyrranical, Tynocratic (or sometimes referred to as Theocratic), Oligarchic, and Democratic. Each one of these types represented a diffrent way that a person would respond and react to society, as follows:

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Tyrranical: People who are tyrranical are prone to falling into old heroic stereotypes, knowing they are able to get what they want and need with little effort. Represents confidence as a positive, arrogance as a negitive. Augustinavichiute called the Tyrranical type the "EGO."

Tynocratic: People who have a need for approval and appeal to authority; lives in a rhelm of superiourity and inferiourity complexes. Augustinavichiute called the Tynocratic type the "Super-EGO."

Oligarchic: People who desire with little to no thought to the consequences of their own actions, greedy, demanding, and disrespectful. Augustinavichiute called the Oligarchic type the "Id."

Democratic: Not to be confused with modern definitions, people who are of this type are wishy-washy ... first knowing what they want, then changing their minds. One day they might want riches, they next day would condemn the wealthy. Another day friendly, unfriendly the next. These types are dynamic and unpredictable, following whatever is suggested from their surroundings and having no solid foundation whatsoever. Augustinavichiute called the Democratic type the "Super-Id."

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So, I suppose if you want to believe that anything is ever new and origional, think again! All concepts come from somewhere, and in this case the socionic model is actual a remix of old Platonian thought and theory mixed with some modern concepts derived from Jung and Freud.