Reliability of observers' subjective impressions of families: A generalizability theory approach

por Stora, Bent, Hagtvet, Knut A., Heyerdahl, Sonja
Publicado 2012

Observations of families in structured interactions: Parenting therapists provide reliable ratings of mothers’ parenting

por Storå, Bent, Hagtvet, Knut A, Heyerdahl, Sonja
Publicado 2014

Clinician-rated mental health in outpatient child and adolescent mental health services: associations with parent, teacher and adolescent ratings

por Hanssen-Bauer, Ketil, Langsrud, Øyvind, Kvernmo, Siv, Heyerdahl, Sonja
Publicado 2010

Mental health problems in the 10(th) grade and non-completion of upper secondary school: the mediating role of grades in a population-based longitudinal study

por Sagatun, Åse, Heyerdahl, Sonja, Wentzel-Larsen, Tore, Lien, Lars
Publicado 2014

Medical benefits in young adulthood: a population-based longitudinal study of health behaviour and mental health in adolescence and later receipt of medical benefits

por Sagatun, Åse, Heyerdahl, Sonja, Wentzel-Larsen, Tore, Lien, Lars
Publicado 2015

Is relatively young age within a school year a risk factor for mental health problems and poor school performance? A population-based cross-sectional study of adolescents in Oslo,...

por Lien, Lars, Tambs, Kristian, Oppedal, Brit, Heyerdahl, Sonja, Bjertness, Espen
Publicado 2005

Understanding discrepancies in parent-child reporting of emotional and behavioural problems: Effects of relational and socio-demographic factors

por Van Roy, Betty, Groholt, Berit, Heyerdahl, Sonja, Clench-Aas, Jocelyne
Publicado 2010

The association between weekly hours of physical activity and mental health: A three-year follow-up study of 15–16-year-old students in the city of Oslo, Norway

por Sagatun, Aase, Søgaard, Anne Johanne, Bjertness, Espen, Selmer, Randi, Heyerdahl, Sonja
Publicado 2007

Admissions to acute adolescent psychiatric units: a prospective study of clinical severity and outcome

por Hanssen-Bauer, Ketil, Heyerdahl, Sonja, Hatling, Trond, Jensen, Gunnar, Olstad, Pål Marius, Stangeland, Tormod, Tinderholt, Tarje
Publicado 2011