TY JOUR TI Determination of the level of social identity of the group subject on the example of training groups of cadets of educational organization of the Ministry of Internal Affairs of the Russian Federation KW identity KW social identity KW self-identification KW social categorization KW group subject JO Vestnik of the St. Petersburg University of the Ministry of Internal Affairs of Russia AU Dushkin, A.S. AU Bubnov, A.L. PY 2020 IS 2020 PB SAINT-PETERSBURG UNIVERSITY OF THE MINISTRY OF INTERNAL AFFAIRS OF THE RUSSIAN FEDERATION