| Summary: | Introduction. Determining the benefits of basic human personality traits is one of the main components of the selection and staffing of small groups of peoples that are working in extreme environmental conditions and socio-spatial isolation. These groups include teams of polar explorers, scientists from outlying research bases, ship and submarine crews, and aircraft and space shuttles teams. Purpose. To identify the prevailing type of temperament of and personal changes in people working on the Antarctic station during a one-year period of isolation to develop measures to maintain their mental and physical health. Methodology. A total of 48 people (46 men and 2 women aged from 23 to 63 years) from four wintering teams of the Ukrainian Antarctic station (UAS) “Akademik Vernadsky” were voluntarily interviewed according to the Eysenck Personality Questionnaire (EPQ). The poll was conducted twice – before the departure to the Antarctic station and after their return after a year. Participants were studied in two groups (24 peoples) once again after a 6-month stay on the Antarctic station, to determine the level of psychoticism. The research was based on the analysis of preferences and changes in personality traits: Extraversion/Introversion, Neuroticism/Stability, and Psychoticism/Socialization. Results. Based on the analysis of indicators such as Extraversion/Introversion, Neuroticism/Stability, and Psychoticism/Socialization, we determined the general structure of the personal characteristics of the expeditioners. Indicators of these characteristics showed that more than a third of the expeditioners (36.1%) were pronounced extroverts. A majority (61.1%) of the respondents were characterized by an intermediate between extraversion and introversion, and only 2.8% were pronounced introverts. 58.4% of the respondents were characterized by a low level of neuroticism, while 33.3% were characterized by medium level of neuroticism. Only 8.3% were found to have a high level of neuroticism. Low levels of psychoticism were ...
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