RT Article T1 Television Viewing, Computer Use, and a Hostile Perception of Classmates Among Adolescents from 34 Countries JF Swiss journal of psychology VO 67 IS 2 SP 97 OP 106 A1 Kuntsche, Emmanuel A1 Overpeck, Mary A1 Dallago, Lorenza LA English YR 2008 UL https://krimdok.uni-tuebingen.de/Record/162687798X K1 Fernsehkonsum K1 Computernutzung K1 Schüler K1 Aggressivität K1 Wahrnehmung