In contrast to the aforementioned theoretical impossibilities, most theoriesofpersonality cite two observations, which they assert are nearly always involved in personality change.
与上述不可能理论相反，大多数人格理论引用两个观察，它们声称几乎总是包括在所有的人格改变中。
2
Introvert and extrovert are the two basic personality types according to the theoriesof the 20th-century Swiss psychiatrist Carl Jung.
根据20世纪瑞士精神病学家卡尔?荣格的理论，内向者和外向者是两种基本的性格类型。
3
The structure ofpersonality (in theories) is formulated in such a way that it is said to maintain itself against all new experience which might alter it.