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Previous research on stress and media use mainly concentrated on between-person effects. We add to this research field by additionally assessing within-person associations, assuming that experiencing more stress than usual goes along with more nomophobia (“no-mobile-phone phobia”) and more passive and active Facebook use than usual, cross-sectionally and over time, and by exploring potential age differences. We conducted a secondary analysis of three waves of a representative multi-wave survey of adult Dutch internet users (N = 861). Specifically, we used two subsamples: (1) smartphones users for the analyses on nomophobia (n = 600) and (2) Facebook users for the analyses on social media (n = 469). Employing random-intercept cross-lagged panel models, we found within-person correlations between nomophobia and stress at one time-point, but not over time. For the younger age group (18–39 years), more passive Facebook use than usual was associated with more stress than usual six months later, and more stress than usual was followed by less passive Facebook use six month later. There were no longitudinal relationships for active Facebook use across the different age groups. Methodological and theoretical implications are discussed., Highlights • We study the relationships of nomophobia, Facebook use and stress over time. • Nomophobia and stress correlate on the within-person level at one time-point. • Passive Facebook use is associated with more stress over time for younger adults. • Stress relates to less passive Facebook use six months later for younger adults. • There are no longitudinal effects for nomophobia, active Facebook use, and stress.

From the oversexualized characters in fighting games, such as Dead or Alive or Ninja Gaiden, to the overuse of the damsel in distress trope in popular titles, such as the Super Mario series, the under- and misrepresentation of females in video games has been well documented in several content analyses. Cultivation theory suggests that long-term exposure to media content can affect perceptions of social realities in a way that they become more similar to the representations in the media and, in turn, impact one's beliefs and attitudes. Previous studies on video games and cultivation have often been cross-sectional or experimental, and the limited longitudinal work in this area has only considered time intervals of up to 1 month. Additionally, previous work in this area has focused on the effects of violent content and relied on self-selected or convenience samples composed mostly of adolescents or college students. Enlisting a 3 year longitudinal design, the present study assessed the relationship between video game use and sexist attitudes, using data from a representative sample of German players aged 14 and older (N=824). Controlling for age and education, it was found that sexist attitudes--measured with a brief scale assessing beliefs about gender roles in society--were not related to the amount of daily video game use or preference for specific genres for both female and male players. Implications for research on sexism in video games and cultivation effects of video games in general are discussed.

In this study, we focus on the relevance of social influence to explain cyberbullying experiences among German high school students. Social influence is discussed in the context of computer-mediated communication. To obtain individual and sociostructural data, we conducted a survey study among German high school students (N = 4,282). Using multilevel modeling, we found that the attributes of the school class only contributed to the risk of being involved in cyberbullying to a small extent. Still, procyberbullying norms in class did enhance the risk of perpetration and victimization for students, even more so than their individual beliefs. Previous experiences with bullying and intensive, unrestricted use of the Internet were the strongest individual predictors of cyberbullying involvement.

Current research indicates that an alarming number of students are affected by cyberbullying. However, most of the empirical research has focused on psychological explanations of the phenomenon. In an explorative survey study based on the reconstruction of 2 complete school networks (N[subscript P] = 408), we expand the explanation strategies of cyberbullying to higher levels of social abstraction. Using statistical and structural analysis, and visual inspection of network environments, we compare explanations on individual and structural levels. In line with previous research, the findings support traditional explanations via sociodemographic and personality factors. However, the findings also reveal network positioning to be a comparably strong predictor for cyberbullying. Therefore, we argue that without taking structural factors into account, individual explanations will remain insufficient. Language: en

Cross-sectional studies on video game violence and aggression have yielded contradictory results. Parts of this inconclusiveness can be attributed to the limitation to particular age groups. The present study investigated the relationship between preference for action and first-person shooter (FPS) games and aggression for the groups of adolescents (14–18), younger (19–39), and older adults (40+) in a sample of German gamers (N = 4,500). The strength of the association differed between age groups. Even after controlling for gender, education, social support, self-efficacy, and overall video game use, we found a significant relationship between preference for action and FPS games and physical aggression that was strongest for the adolescents. We found no such association for anger and verbal aggression. The results indicate that potential selection or socialization effects are likely to differ with age and that research on video games and aggression can benefit from the inclusion of more heterogeneous samples.