TY - JOUR N2 - This study aimed to evaluate the dynamics of emotional and psychological behavior indicators in children aged 7-8 years in modern society. The study was conducted in 2018-2019 in Moscow (Russian Federation) and included a total of 600 children of the second – third grades in three secondary schools. The first group included children from families with high social status and higher education of both parents, the second group comprised children from middle- class families with secondary special education of parents, and the third group enrolled children from low-income families with incomplete secondary education of parents. Children were tested for aggressiveness as well as attitudes toward family members. It has been established that in the first group, the model of upbringing was dominated by hyper- socialization of the authoritarian type. In the second group, the model of education was more balanced, symbiosis and cooperation dominated, exceeding the other parameters by 1.3–1.9 times (p ≤ 0.05). In the third group, average and high levels of aggression were stated to be significantly higher – 1.6–2.2 times (p ≤ 0.01). In the third and first groups, there was a direct connection between the frequency of instrumental aggression and negative attitude towards siblings (0.65 and 0.84, respectively). L1 - http://journals.pan.pl/Content/120410/PDF/2021-02-PPB-07-Khrameshin.pdf L2 - http://journals.pan.pl/Content/120410 PY - 2021 IS - No 2 EP - 187 DO - 10.24425/ppb.2021.137261 KW - aggressiveness KW - authoritarian hyper-socialization KW - loser syndrome KW - primary school age children KW - social status KW - upbringing model A1 - Khrameshin, Sergey A1 - Antsiferova, Natalya A1 - Seluch, Marina A1 - Ismailova, Zukhra A1 - Kozlovskaya, Svetlana PB - Committee for Psychological Science PAS VL - vol. 52 DA - 2021.08.09 T1 - Emotional and Psychological Behavior of Children in the Context of Transforming Modern Society SP - 179 UR - http://journals.pan.pl/dlibra/publication/edition/120410 T2 - Polish Psychological Bulletin ER -