RT Article T1 A longitudinal study of the effects of television viewing on aggressive and prosocial behaviours JF The British journal of social psychology VO 31 SP 147 OP 164 A1 Wiegman, O. A1 Kuttschreuter, M. A1 Baarda, B. LA English YR 1992 UL https://krimdok.uni-tuebingen.de/Record/1639434917 K1 Niederlande K1 Kinder K1 Medienwirkungsforschung K1 Mediengewalt K1 Langzeituntersuchung K1 Aggression