| 11. |
- Lansford, Jennifer E., et al.
(författare)
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Boys' and Girls' Relational and Physical Aggression in Nine Countries
- 2012
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Ingår i: Aggressive Behavior. - : Wiley. - 0096-140X .- 1098-2337. ; 38:4, s. 298-308
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Tidskriftsartikel (refereegranskat)abstract
- Distinguishing between relational and physical aggression has become a key feature of many developmental studies in North America and Western Europe, but very little information is available on relational and physical aggression in more diverse cultural contexts. This study examined the factor structure of, associations between, and gender differences in relational and physical aggression in China, Colombia, Italy, Jordan, Kenya, the Philippines, Sweden, Thailand, and the United States. Children ages 7-10 years (N = 1,410) reported on their relationally and physically aggressive behavior. Relational and physical aggression shared a common factor structure across countries. In all nine countries, relational and physical aggression were significantly correlated (average r = .49). Countries differed in the mean levels of both relational and physical aggression that children reported using and with respect to whether children reported using more physical than relational aggression or more relational than physical aggression. Boys reported being more physically aggressive than girls across all nine countries; no consistent gender differences emerged in relational aggression. Despite mean-level differences in relational and physical aggression across countries, the findings provided support for cross-country similarities in associations between relational and physical aggression as well as links between gender and aggression. © 2012 Wiley Periodicals, Inc.
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| 12. |
- Latina, Delia, 1984-, et al.
(författare)
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Toward a Re-Interpretation of Self-Harm : A Cross-Contextual Approach
- 2016
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Ingår i: Aggressive Behavior. - Hoboken, USA : Wiley-Blackwell. - 0096-140X .- 1098-2337. ; 42:6, s. 522-532
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Tidskriftsartikel (refereegranskat)abstract
- A common view is that self-harmers are individuals who are exposed to or have been exposed to stressors and hostility in everyday settings. A strand of research has also found that self-harmers expose other people to their hostility. Extending these findings, this study examined whether adolescent self-harmers are simultaneously exposed and expose others to hostility in their everyday interpersonal contexts—at home, at school, and during leisure-time. The participants were 1,482 adolescents, ranging from 13 to 16 years of age, who attended different schools in a medium-sized city in central Sweden. The results show that the adolescents involved in mutually hostile relationships in their different interpersonal contexts exhibited higher self-harm than the adolescents who were exposed to others’ hostility or exposed other people to their hostility. Also, the more mutually hostile settings the adolescents were involved in, the more self-harm they reported. Overall, our findings suggest not only that selfharmers are exposed to hostility in their different interpersonal contexts, as has been typically assumed, but also that they simultaneously expose others to hostility in these contexts. This has implications for our understanding of young people who harm themselves and also for intervention.
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| 13. |
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| 14. |
- Molero, Y., et al.
(författare)
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Violent, non-violent and substance-related offending over the life course in a cohort of males and females treated for substance misuse as youths
- 2011
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Ingår i: Aggressive Behavior. - : Wiley. - 0096-140X .- 1098-2337. ; 37:4, s. 338-348
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Tidskriftsartikel (refereegranskat)abstract
- Most studies on adolescent offending heterogeneity are based on general population samples, and few include individuals with substance misuse or look specifically at substance-related offending. It is also unclear how offender subtypes develop after young adulthood or how offending heterogeneity varies between genders. This study aimed to identify subgroups of offending among adolescents with misuse problems and to examine associations with offending in adulthood. The study included 1,992 females and males that consulted a clinic for adolescents with misuse problems between 1968 and 1971. Latent Class Analyses were conducted to identify subgroups based on violent and nonviolent offending before age 20. Participants were then followed until age 50 and reexamined regarding violent, nonviolent, and substance-related crimes. Associations between subgroups before age 20 and subgroups age 21–50 were examined. Before age 20, three subgroups were identified among the females and six among the males. Males were more specialized in their offending and demonstrated higher levels of offending. Results pointed to both stability and decrease of violent and nonviolent offending, and to the emergence of substance-related offending in adulthood in both genders. The connection between substance-related crimes and general delinquency in adulthood among individuals treated for substance misuse suggests that interventions should also address substance misuse for reducing the overall volume of crime. This study also highlights the importance of including females in research on offending heterogeneity
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| 15. |
- Rothenberg, W. Andrew, et al.
(författare)
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Cross-cultural effects of parent warmth and control on aggression and rule-breaking from ages 8 to 13.
- 2020
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Ingår i: Aggressive Behavior. - : Wiley. - 0096-140X .- 1098-2337. ; 46:4, s. 327-340
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Tidskriftsartikel (refereegranskat)abstract
- We investigated whether bidirectional associations between parental warmth and behavioral control and child aggression and rule-breaking behavior emerged in 12 cultural groups. Study participants included 1,298 children (M = 8.29 years, standard deviation [SD] = 0.66, 51% girls) from Shanghai, China (n = 121); Medellín, Colombia (n = 108); Naples (n = 100) and Rome (n = 103), Italy; Zarqa, Jordan (n = 114); Kisumu, Kenya (n = 100); Manila, Philippines (n = 120); Trollhättan/Vänersborg, Sweden (n = 101); Chiang Mai, Thailand (n = 120); and Durham, NC, United States (n = 111 White, n = 103 Black, n = 97 Latino) followed over 5 years (i.e., ages 8-13). Warmth and control were measured using the Parental Acceptance-Rejection/Control Questionnaire, child aggression and rule-breaking were measured using the Achenbach System of Empirically-Based Assessment. Multiple-group structural equation modeling was conducted. Associations between parent warmth and subsequent rule-breaking behavior were found to be more common across ontogeny and demonstrate greater variability across different cultures than associations between warmth and subsequent aggressive behavior. In contrast, the evocative effects of child aggressive behavior on subsequent parent warmth and behavioral control were more common, especially before age 10, than those of rule-breaking behavior. Considering the type of externalizing behavior, developmental time point, and cultural context is essential to understanding how parenting and child behavior reciprocally affect one another.
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| 16. |
- Rothenburg, W. Andrew, et al.
(författare)
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Predicting child aggression : The role of parent and child endorsement of reactive aggression across 13 cultural groups in 9 nations.
- 2023
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Ingår i: Aggressive Behavior. - : Wiley. - 0096-140X .- 1098-2337. ; 49:3, s. 183-197
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Tidskriftsartikel (refereegranskat)abstract
- Parent and child endorsement of reactive aggression both predict the emergence of child aggression, but they are rarely studied together and in longitudinal contexts. The present study does so by examining the unique predictive effects of parent and child endorsement of reactive aggression at age 8 on child aggression at age 9 in 1456 children from 13 cultural groups in 9 nations. Multiple group structural equation models explored whether age 8 child and parent endorsement of reactive aggression predicted subsequent age 9 child endorsement of reactive aggression and child aggression, after accounting for prior child aggression and parent education. Results revealed that greater parent endorsement of reactive aggression at age 8 predicted greater child endorsement of aggression at age 9, that greater parent endorsement of reactive aggression at age 8 uniquely predicted greater aggression at age 9 in girls, and that greater child endorsement of reactive aggression at age 8 uniquely predicted greater aggression at age 9 in boys. All three of these associations emerged across cultures. Implications of, and explanations for, study findings are discussed.
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| 17. |
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| 18. |
- Thornberg, Robert, 1968-, et al.
(författare)
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School bullying and the mechanisms of moral disengagement
- 2014
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Ingår i: Aggressive Behavior. - : Wiley-Blackwell. - 0096-140X .- 1098-2337. ; 40:2, s. 99-108
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Tidskriftsartikel (refereegranskat)abstract
- The aim of the present study was to examine to what degree different mechanisms of moral disengagement were related to age, gender, bullying, and defending among school children. Three hundred and seventy-two Swedish children ranging in age from 10 to 14 years completed a questionnaire. Findings revealed that boys expressed significantly higher levels of moral justification, euphemistic labeling, diffusion of responsibility, distorting consequences, and victim attribution, as compared with girls. Whereas boys bullied others significantly more often than girls, age was unrelated to bullying. Moral justification and victim attribution were the only dimensions of moral disengagement that significantly related to bullying. Furthermore, younger children and girls were more likely to defend victims. Diffusion of responsibility and victim attribution were significantly and negatively related to defending, while the other dimensions of moral disengagement were unrelated to defending.
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| 19. |
- Tuvblad, Catherine, 1968-, et al.
(författare)
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Genetic and environmental stability differs in reactive and proactive aggression
- 2009
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Ingår i: Aggressive Behavior. - : Wiley. - 0096-140X .- 1098-2337. ; 35:6, s. 437-452
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Tidskriftsartikel (refereegranskat)abstract
- The aim of this study was to examine stability and change in genetic and environmental influences on reactive (impulsive and affective) and proactive (planned and instrumental) aggression from childhood to early adolescence. The sample was drawn from an ongoing longitudinal twin study of risk factors for antisocial behavior at the University of Southern California (USC). The twins were measured on two occasions: ages 9-10 years (N=1,241) and 11-14 years (N=874). Reactive and proactive aggressive behaviors were rated by parents. The stability in reactive aggression was due to genetic and nonshared environmental influences, whereas the continuity in proactive aggression was primarily genetically mediated. Change in both reactive and proactive aggression between the two occasions was mainly explained by nonshared environmental influences, although some evidence for new genetic variance at the second occasion was found for both forms of aggression. These results suggest that proactive and reactive aggression differ in their genetic and environmental stability, and provide further evidence for some distinction between reactive and proactive forms of aggression.
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| 20. |
- Åslund, Cecilia, et al.
(författare)
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Self-Reported Family Socioeconomic Status, the 5-HTTLPR Genotype, and Delinquent Behavior in a Community-Based Adolescent Population
- 2013
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Ingår i: Aggressive Behavior. - : Wiley. - 0096-140X .- 1098-2337. ; 39:1, s. 52-63
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Tidskriftsartikel (refereegranskat)abstract
- Twin and adoption studies have demonstrated a significant contribution of both genetic and environmental factors to antisocial and delinquent behavior. Associations have been reported between the serotonin transporter (5-HTT) and aggression, and between socioeconomic status (SES), aggression, and serotonergic functions of the brain. We aimed to investigate associations between the 5-HTTLPR genotype and family SES in relation to delinquent behavior among adolescents. A total of 1,467 17- to 18-year-old students in the county of Västmanland, Sweden, anonymously completed a questionnaire and gave a saliva sample. Family SES had a U-shaped relation to delinquency, where adolescents with low and high family SES were the most delinquent. There were curvilinear interactions between the 5-HTTLPR genotype and family SES in relation to delinquency. Among individuals having high family SES, boys with the LL (homozygous for the long allele) or LS (heterozygous) genotypes and girls with the SS (homozygous for the short allele) or LS (heterozygous) genotypes showed the highest delinquency scores. Among individuals having low family SES, boys with the LL (homozygous for the long allele) genotype and girls with the LS (heterozygous) genotype showed the highest delinquency scores. The present study suggests evidence for an interaction between family SES and the 5-HTTLPR genotype in relation to juvenile delinquency.
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