Program & Abstract Book - EPFL Latsis Symposium 2009

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EPFL Latsis Symposium 2009: Understanding Violence 62 P-8 February 11-13 2009 impulsivity, aggression anD acaDemic performance in chilDren Cosi, Sandra 1 ; Vigil-Colet, Andreu 1 ; Canals, Josepa 1 1 Universitat Rovira i Virgili, Tarragona, Spain. Different studies have shown that impulsivity is related to aggression and poor scholastic achievement in adolescents (Colom et al., 2007; Vigil- Colet &Morales-Vives, 2006). The present study intends to test this pattern of relationships in children. With this purpose we developed two questionnaires, a children’s version of Barrat’s impulsivity scale (Cosi et al., 2008) and a proactive-reactive aggression questionnaire reported by teachers (Cosi et al., in press) which were administered to 267 children aged between 9 and 12 years. Furthermore teachers rated the academic performance of children. Proactive and reactive scales showed a negative relationship with academic performance, a positive relationship with the Motor impulsiveness and non-planning scales of BIS-c and a negative relationship with the cognitive impulsivity scale, being these relationships greater for boys than for girls. When impulsivity scores where partialled out, only proactive aggression showed a significant relationship with academic performance, although its magnitude was lower. The results presented are similar to the ones founded in adolescent samples, indicating that impulsivity is related to aggression and, that the relationship between aggression and academic failure is mainly due to impulsivity. Furthermore it seems that these relationships are higher for boys than for girls, perhaps because their higher levels of aggression.
EPFL Latsis Symposium 2009: Understanding Violence P-9 by s t a n D e r re s p o n s e s t o vi r t u a l vi o l e n c e Swapp, David 1 ; Rovira, Aitor 1 ; Slater, Mel 1 1 University College London, London, UK Poster Abstracts A significant impediment to the study of violent behaviour is the inability to recreate such situations in an experimental setting. Utilising a virtual environment, inhabited by virtual characters (avatars), enables the simulation of violent situations and therefore the ability to study the behaviour of experiment participants. This is especially the case since it has been shown that people do tend to respond realistically to situations and events that occur in an immersive virtual environment (IVE). In this abstract we report an ongoing study of people’s responses to simulated violence in an IVE, in particular concentrating on aspects of the bystander phenomenon moderated by in-group and out-group identification. The experiment uses an IVE system commonly known as a CAVE. This is a room in which three walls and the floor are screens upon which stereo imagery is projected, and which dynamically adjusts to the participant’s perspective as they move about the room. The advantage of such a setup is that it enables the participant to move naturally within the simulated environment, and thus results in natural behaviours such as proxemics in interactions with virtual characters. The scenario is a bar in which participants witness a violent confrontation involving two football fans of rival teams. Our purpose at this stage of the study is simply to explore the degree of realism of the response of participants to this violent behaviour, as measured by their tendency to try to intervene, and their physiological responses. To create the simulation, we used 3D motion capture equipment to record the performance of two actors; this capture was then used to animate the avatars in the scenario. The purpose of early trials is to better understand how to construct a virtual scenario that might lead to more or less realistic responses. 63
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Program & Abstract Book - EPFL Latsis Symposium 2009

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