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Nowadays, adolescents have extensive access to Information and Communication Technologies, which allow them to engage in social networking activities that may expose them to Online Hate Speech (OHS). While there are few cross-sectional studies about the effects of OHS Exposure on attitudes and aggressive behavior, no study aims to analyze the tendency to Speak Up when exposed to certain content (e.g., reporting, etc.). In addition, no instruments have yet been validated to assess these constructs. The aim of the present study, focused on Online ethnic Hate Speech (OeHS), is double: (a) develop a scale to measure OeHS Exposure and the tendency to Speak Up and analyze its psychometric properties; (b) analyze the longitudinal association between Xenophobia (XEN), OeHS Exposure, and Speaking Up against OeHS, while taking into account gender differences and the nested nature of the data. Six hundred sixty-six Italian high school students (52.7 percent male; MAge = 15[0.64]), nested in 36 ninth grade classes (10 schools), took part in the longitudinal study. The first wave of data collection occurred in early 2020, before the COVID-19 pandemic. The second and third waves took place 12 and 15 months later, respectively. Findings suggest that the OeHS Scale has good psychometric properties. Moreover, according to the findings, while the three variables of interest are always cross-sectionally correlated, a longitudinal negative association have been found between XEN and both Exposure and Speaking Up. Regarding the impact of OeHS Exposure, the good news is related to the absence of a longitudinal association with both XEN and Speaking Up. [ABSTRACT FROM AUTHOR]

• We investigated the association of CU traits with variables assessing adolescents' interpersonal functioning with peers. • The findings support the clinical importance of CU traits. • CU traits are associated with relational problems, independent of CP and normal personality traits. • The findings support CU traits as specifier for diagnoses involving conduct problems. • The findings provide targets for intervention in the social relationships of adolescents. Callous-Unemotional (CU) traits are strongly related to early-onset and severe levels of conduct problems. However, much less research has focused on their association with potential problems in adolescents' social relationships. Further, it is important to determine if CU traits explain variance in important social variables, independent of conduct problems or general personality dimensions related to sociability, like agreeableness. In the current study, we examined the association of CU traits with a range of social variables in a community sample of Italian adolescents (N = 563; 460 girls; mean age = 15.80, SD = 1.50). Measures for the social variables included assessment of peer rejection, adolescents' prosocial behaviors, satisfaction in peer relationships, and feelings of connection with school and classmates. We also obtained self-report ratings of CU traits, conduct problems (CP) and agreeableness. Analyses showed that CU traits were significantly associated with all the social variables. After controlling for CP and agreeableness, CU traits were still positively associated with ratings of peer rejection and negatively associated with prosocial behavior and satisfaction in relationships with peers. However, the negative associations with feelings of connection to school and peers were no longer significant. These findings provide further support for the clinical usefulness of CU traits and further evidence for potential targets of intervention, particularly focused on the adolescent's relational skills. [ABSTRACT FROM AUTHOR]

Background: Validated measures of cyber dating violence are scarce and have barely explored the sexual dimension. The present study advanced this line of research by developing a new instrument that differentiates between sexual, verbal and control dimensions. Method: The instrument was created in four phases: literature review, focus groups with young people, expert review, and creation of the final scale. This instrument was administered to 600 students from high schools in Seville and Córdoba, aged between 14 and 18 (M = 15.54; SD = 1.22). Results: A three-factor latent structure was confirmed for the aggression and victimization scales: verbal/emotional, control, and sexual. Using Item Response Theory, a refined version of the scales resulted in 19 items for both aggression and victimisation. Prevalence analysis showed that verbal/emotional forms were the most frequent, followed by control and sexual. Conclusions: The CyDAV-T instrument can be considered a valid instrument for assessing cyber dating violence in the adolescent population. [ABSTRACT FROM AUTHOR]

Humans create teams to be more successful in a large variety of tasks. Groups are characterized by an emergent property called collective intelligence, which leads them to be smarter than single individuals. Previous studies proved that collective intelligence characterizes both real and online environments, focusing on adults' performances. In this work, we explored which factors promote group success in an offline and online logical task with adolescents. Five hundred and fifty high school students participated in the experiment and faced Raven's Advanced Progressive Matrices, first by themselves using the computer, then in a group. Groups interactions could have been computer-mediated or face-to-face, and the participants were randomly assigned to one of the two experimental conditions. Results suggest that groups perform better than singles, regardless of the experimental condition. Among adolescents, online groups performance was negatively affected by participants' average perception of group cohesion, the difficulty of the problem, and the number of communicative exchanges that occur in the interaction. On the contrary, the factors that improve their performances were the average intelligence of the teammates, their levels of neuroticism, and the group heterogeneity in terms of social abilities. This work contributes to the literature with a comprehensive model of collective intelligence among young people. [ABSTRACT FROM AUTHOR]