A meta-analysis of serious digital games for healthy lifestyle promotion.

Several systematic reviews have described health-promoting effects of serious games but so far no meta-analysis has been reported. This paper presents a meta-analysis of 54 serious digital game studies for healthy lifestyle promotion, in which we investigated the overall effectiveness of serious digital games on healthy lifestyle promotion outcomes and the role of theoretically and clinically important moderators. Findings showed that serious games have small positive effects on healthy lifestyles (g=0.

Determinants of self-reported bystander behavior in cyberbullying incidents amongst adolescents.

This study explores behavioral determinants of self-reported cyberbullying bystander behavior from a behavioral change theoretical perspective, to provide levers for interventions. Nine focus groups were conducted with 61 young adolescents (aged 12-16 years, 52% girls). Assertive defending, reporting to others, providing advice, and seeking support were the most mentioned behaviors.

Mobilizing bystanders of cyberbullying: an exploratory study into behavioural determinants of defending the victim.

This study explores behavioural determinants of defending behaviour in cyberbullying incidents. Three focus groups were conducted with youngsters aged 12-16 y. Major themes that were found as important behavioural determinants to defend the victim were a low moral disengagement, that the victim is an in-group member and that the bystander is popular.