Nikolai O Czajkowski

Affiliations

Department of Psychology, University of Oslo, Oslo, Norway.
Division of Mental Health, Norwegian Institute of Public Health, Oslo, Norway.

Publications (10)

Design efficiency in genetic association studies.

Statistics in medicine

Avec: Miriam Gjerdevik , Håkon K Gjessing , Julia Romanowska , Øystein A Haaland , Astanand Jugessur , Nikolai O Czajkowski , Rolv T Lie

Are unpopular children more likely to get sick? Longitudinal links between popularity and infectious diseases in early childhood.

PloS one

Avec: Vidar Sandsaunet Ulset , Nikolai Olavi Czajkowski , Brage Kraft , Pål Kraft , Ellen Wikenius , Thomas Haarklau Kleppestø , Mona Bekkhus

Effects of a school-based intervention on levels of anxiety and depression: a cluster-randomized controlled trial of the MindPower program in ten high schools in Norway.

BMC psychology

Avec: Gry Anette Sælid , Nikolai Olavi Czajkowski , Leif Edvard Aarø , John Roger Andersen , Thormod Idsøe , Miguel Delgado Helleseter , Arne Holte

Childhood trauma and borderline personality disorder traits: A discordant twin study.

Journal of psychopathology and clinical science

Avec: Eirunn Skaug , Nikolai O Czajkowski , Trine Waaktaar , Svenn Torgersen

Erratum: Therapeutic Atmosphere in Psychotherapy Sessions.

International journal of environmental research and public health

Avec: Marte L Siegel , Eva M Gullestad Binder , Hanne Sofie J Dahl , Nikolai O Czajkowski , Kenneth L Critchfield , Per A Høglend , Randi Ulberg

Conflict with Parents in Adolescent Depression: Associations with Parental Interpersonal Problems and Depressive Symptoms.

Child psychiatry and human development

Avec: Erling W Rognli , Luxsiya Waraan , Nikolai O Czajkowski , Ole André Solbakken , Marianne Aalberg

Efficacy of attachment-based family therapy compared to treatment as usual for suicidal ideation in adolescents with MDD.

Clinical child psychology and psychiatry

Avec: Luxsiya Waraan , Erling W Rognli , Nikolai Olavi Czajkowski , Lars Mehlum , Marianne Aalberg

Effectiveness of attachment-based family therapy compared to treatment as usual for depressed adolescents in community mental health clinics.

Child and adolescent psychiatry and mental health

Avec: Luxsiya Waraan , Erling W Rognli , Nikolai Olavi Czajkowski , Marianne Aalberg , Lars Mehlum

Does event centrality mediate the effect of peritraumatic reactions on post-traumatic growth in survivors of a terrorist attack?

European journal of psychotraumatology

Avec: Kristin Alve Glad , Nikolai Olavi Czajkowski , Grete Dyb , Gertrud S Hafstad

Justice sensitivity is undergirded by separate heritable motivations to be morally principled and opportunistic.

Scientific reports

Avec: Nikolai Haahjem Eftedal , Thomas Haarklau Kleppestø , Nikolai Olavi Czajkowski , Jennifer Sheehy-Skeffington , Espen Røysamb , Olav Vassend , Eivind Ystrom , Lotte Thomsen

Réseau de co-auteurs

Nikolai Olavi Czajkowski 6 collaborations

Erling W Rognli 3 collaborations

Luxsiya Waraan 3 collaborations

Marianne Aalberg 3 collaborations

Thomas Haarklau Kleppestø 2 collaborations

Lars Mehlum 2 collaborations

Miriam Gjerdevik 1 collaboration

Håkon K Gjessing 1 collaboration

Julia Romanowska 1 collaboration

Øystein A Haaland 1 collaboration

Astanand Jugessur 1 collaboration

Rolv T Lie 1 collaboration

Vidar Sandsaunet Ulset 1 collaboration

Brage Kraft 1 collaboration

Pål Kraft 1 collaboration

Ellen Wikenius 1 collaboration

Mona Bekkhus 1 collaboration

Gry Anette Sælid 1 collaboration

Leif Edvard Aarø 1 collaboration

John Roger Andersen 1 collaboration

Thormod Idsøe 1 collaboration

Miguel Delgado Helleseter 1 collaboration

Arne Holte 1 collaboration

Eirunn Skaug 1 collaboration

Trine Waaktaar 1 collaboration

Svenn Torgersen 1 collaboration

Marte L Siegel 1 collaboration

Eva M Gullestad Binder 1 collaboration

Hanne Sofie J Dahl 1 collaboration

Kenneth L Critchfield 1 collaboration

Per A Høglend 1 collaboration

Randi Ulberg 1 collaboration

Ole André Solbakken 1 collaboration

Kristin Alve Glad 1 collaboration

Grete Dyb 1 collaboration

Gertrud S Hafstad 1 collaboration

Nikolai Haahjem Eftedal 1 collaboration

Jennifer Sheehy-Skeffington 1 collaboration

Espen Røysamb 1 collaboration

Olav Vassend 1 collaboration

Eivind Ystrom 1 collaboration

Lotte Thomsen 1 collaboration