- Experimental study of the differential effects of playing versus watching violent video games on children's aggressive behaviorHanneke Polman
Developmental Psychology, Faculty of Social Sciences, Utrecht University, Utrecht, The Netherlands
Aggress Behav 34:256-64. 2008..For girls, game condition was not related to aggression. These findings indicate that, specifically for boys, playing a violent video game should lead to more aggression than watching television violence...
- New directions in measuring reactive and proactive aggression: validation of a teacher questionnaireHanneke Polman
Utrecht University, Utrecht, The Netherlands
J Abnorm Child Psychol 37:183-93. 2009..Additionally, reactive and proactive aggression showed unique correlations with most a priori hypothesized theoretically relevant variables, which indicates construct validity. (150 words)...
- A meta-analysis of the distinction between reactive and proactive aggression in children and adolescentsHanneke Polman
Developmental Psychology, Utrecht University, Heidelberglaan 1, Utrecht, 3508 TC, The Netherlands
J Abnorm Child Psychol 35:522-35. 2007..It is concluded that reactive and proactive aggression are most clearly distinguished with behavioral observations and questionnaires that unravel form and functions of aggression...