Cercetările în domeniu au demonstrat că coeficientul de corelaţie dintre rezultatele obţinute cu ajutorul testului lui Aizenc şi testului Maiers-Briggs al extraversiunii este egal cu 0,59. Un astfel de rezultat poate fi interpretat în cazul dat ca neidentic. 20% din respondenţi au obţinut rezultate contradictorii ai parametrului exrtaversiune-intraversiune.

This investigation content analysis of differences in the concepts of extraversion-introversion in C.G. Jung and H.J. Eysenck theories at theoretical and experimental levels. There were demonstrated following differences between opinions of C.G. Jung and H.J. Eysenck: biological prerequisites for distinction between extraverted and introverted individuals; the role of extraversion-introversion in the structure of personality; the type of extraversion-introversion distribution in population; the association of psychological diseases with extraversion-introversion, etc. Measuring extraversion- introversion with Eysenck Personality Inventory and Maers-Briggs Type Indicator showed Pearson's correlation coefficient equal to 0,59. This result is considered as argumentation of nonidentity of the concepts of extraversionintroversion in C.G. Jung and H.J. Eysenck theories too. There was discovered 20% of experimental group with contradicting results on the extraversion-introversion scales.