Sökning: "adolescents aggression"

Visar resultat 1 - 5 av 13 avhandlingar innehållade orden adolescents aggression.

  1. 1. Depression and Antisocial Behaviour in Adolescents : Influence of Social Status, Shaming, and Gene-Environment Interaction

    Författare :Cecilia Åslund; Kent W Nilsson; Jerzy Leppert; Bengt Starrin; Lars Oreland; Lil Träskman-Bendz; Uppsala universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; adolescent; antisocial behaviour; depression; gene-environment interaction; maltreatment; monoamine oxidase; serotonin; shame; social status; Child and adolescent psychiatry; Barn- och ungdomspsykiatri; barn- och ungdomspsykiatri; Child and Youth Psychiatry;

    Sammanfattning : This thesis investigated (1) social status and shaming experiences in relation to aggressive behaviour and depression, and (2) gene-environment interactions between two genetic polymorphisms related to the serotonergic system – MAOA-VNTR and 5HTTLPR – and experiences of maltreatment in relation to delinquent behaviour and depression among adolescents. The four included studies are based on questionnaire data from the Survey of Adolescent Life in Vestmanland 2006 (SALVe-2006). LÄS MER

  3. 2. Pathological Internet use and psychopathology among European adolescents

    Författare :Tony Durkee; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :;

    Sammanfattning : Background: Internet use and accessibility has grown exponentially across the globe. The highest rates are noted in adolescents and youth. The swift development of technological improvements combined with interactive and enticing online activities has demonstrated to be unprecedented. LÄS MER

  4. 3. Adolescent adjustment problems : the role of heritability and family environment

    Författare :Jurgita Narusyte; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :Adolescent adjustment; persistent antisocial behavior; aggression; externalizing behavior problems; internalizing behavior problems; parent-child relationships; negative parenting; twin; heritability; environment; genotype-environment correlation; children-of-twins model.;

    Sammanfattning : Approximately one fifth of children and adolescents in Europe and United States of America suffer from behavioral, emotional or developmental problems. More effective prevention and intervention of these problems may be achieved through understanding the role of genetic and environmental factors. LÄS MER

  5. 4. Community stress exposure: Youth externalizing behavior and parenting in cultural context

    Författare :Ann T. Skinner; Göteborgs universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; parenting; community stress; culture; externalizing;

    Sammanfattning : The aim of this thesis was to examine the process by which families respond to community-wide stressors in different cultural contexts. Each quantitative study within this thesis investigated the role of parenting behaviors and aspects of the co-parent relationship and/or the parent-child relationship that may attenuate negative effects of exposure to stressful events across cultures and time. LÄS MER

  7. 5. Measuring peer victimization and school leadership : A study of definitions, measurement methods and associations with psychosomatic health

    Författare :Lisa Hellström; Curt Hagquist; Robert Thornberg; Karlstads universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Bullying; measurement methods; pedagogical leadership; psychosomatic health; Rasch analysis; Mobbning; mätmetoder; pedagogiskt ledarskap; psykosomatisk hälsa; Rasch analys; Public Health Science; Folkhälsovetenskap;

    Sammanfattning : The aim of this thesis is to explore methods for assessing peer victimization and pedagogical leadership in school.The thesis includes four studies. Study I and II are based on web-based questionnaires among 2, 568 students in grades 7, 8 and 9. LÄS MER