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

Por Stora, Bent, Hagtvet, Knut A., Heyerdahl, Sonja
Publicado em 2012

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

Por Storå, Bent, Hagtvet, Knut A, Heyerdahl, Sonja
Publicado no Scand J Psychol (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 em 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 em 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 no BMJ Open (2015)

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 Bjertness Espen, Søgaard Anne, Sagatun Aase, Selmer Randi, Heyerdahl Sonja
Publicado em 2007-07-01

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 em 2005

Consumption of Soft Drinks and Hyperactivity, Mental Distress, and Conduct Problems Among Adolescents in Oslo, Norway

Por Lien, Lars, Lien, Nanna, Heyerdahl, Sonja, Thoresen, Magne, Bjertness, Espen
Publicado em 2006

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 em 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 em 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 em 2011