Academic article

• Rosland, Haakon Gravanti; Wergeland, Gro Janne Henningsen; Holst, Lone (2025). Off-label use of psychotropic drugs in youth. (external link)
• Lystrup, Pål Teigland; Haugland, Bente Storm Mowatt; Wergeland, Gro Janne Henningsen et al. (2025). Reduced anxiety and depression predict improved health-related quality of life in school-based CBT. (external link)
• Fjermestad, Krister Westlye; Norum, Fredrik Ø.; Brask, Helene S. et al. (2024). Anxiety Symptom Trajectories Predict Depression Symptom Trajectories up to Four Years After CBT for Youth Anxiety Disorders. (external link)
• Bertie, Lizel-Antoinette; Quiroz, Juan C.; Berkovsky, Shlomo et al. (2024). Predicting remission following CBT for childhood anxiety disorders: a machine learning approach. (external link)
• Skumsnes, Toril; Fjermestad, Krister Westlye; Wergeland, Gro Janne Henningsen et al. (2024). Behavioral Inhibition and Social Anxiety Disorder as Predictors of Long-Term Outcomes of Cognitive Behavioral Therapy for Youth Anxiety Disorders. (external link)
• Syversen, Anne Mari; Schønning, Viktor; Fjellheim, Gro Sydnes et al. (2024). Evaluation of dialectical behavior therapy for adolescents in routine clinical practice: a pre-post study. (external link)
• Haugland, Bente Storm Mowatt; Hysing, Mari; Danielsen, Yngvild Sørebø et al. (2024). Unique associations between strategies of coping with COVID-19-related stress and internalizing symptoms in a clinical sample of adolescents. (external link)
• Bertie, Lizel-Antoinette; Arendt, Kristian; Coleman, Jonathan R. I. et al. (2024). Patterns of sub-optimal change following CBT for childhood anxiety. (external link)
• Moussavi, Yasmin; Haugland, Bente Storm Mowatt; Wergeland, Gro Janne Henningsen et al. (2024). Experiences From Treatment for Anxiety and Depression Among Youth in Foster Care: A Qualitative Study. (external link)
• Kodal, Arne; Muirhead, Fiona; Reilly, John J. et al. (2024). Feasibility of a physical activity intervention for children and adolescents with anxiety and depression. (external link)
• Fjermestad, Krister Westlye; Wallin, Malin Haggkvist; Naujokat, Frederike et al. (2024). Group cohesion and alliance predict cognitive-behavioral group treatment outcomes for youth with anxiety disorders. (external link)
• Fjermestad, Krister Westlye; Naujokat, Frederike; Wallin, Malin Haggkvist et al. (2024). Mediation Effects of Group Cohesion in Group-Based Cognitive Behavioral Therapy for Youth Anxiety Disorders. (external link)
• Öst, Lars Gøran; Enebrink, Pia; Finnes, Anna et al. (2023). Cognitive behavior therapy for adult post-traumatic stress disorder in routine clinical care: A systematic review and meta-analysis. (external link)
• Öst, Lars Gøran; Enebrink, Pia; Finnes, Anna et al. (2023). Cognitive Behavior Therapy for Adult Anxiety Disorders in Routine Clinical Care: A Systematic Review and Meta-Analysis. (external link)
• Wergeland, Gro Janne Henningsen; Håland, Åshild Tellefsen; Fjermestad, Krister Westlye et al. (2023). Predictors of school-based cognitive behavior therapy outcome for youth with anxiety. (external link)
• Bertelsen, Thomas Bjerregaard; Haugland, Bente Storm Mowatt; Wergeland, Gro Janne Henningsen et al. (2023). Parental early life maltreatment and related experiences in treatment of youth anxiety disorder. (external link)
• Fjermestad, Krister Westlye; Arnevåg, Sofie F; Öst, Lars Gøran et al. (2023). Treatment motivation in child anxiety treatment – Factor structure and associations with outcomes. (external link)
• Fjermestad, Krister Westlye; McLeod, Bryce D.; Silverman, Wendy K. et al. (2023). The Therapy Process Observational Coding System: Group cohesion scale in youth anxiety treatment: Psychometric properties. (external link)
• Bjåstad, Jon Fauskanger; Gjestad, Rolf; Fjermestad, Krister Westlye et al. (2023). Adherence, Competence, and Alliance as Predictors of Long-term Outcomes of Cognitive Behavioral Therapy for Youth Anxiety Disorders. (external link)
• Fjermestad, Krister Westlye; Bellika, Katarina; Matre, Caroline et al. (2022). Age and depressive symptoms change predict the 4-year self-concept trajectory for youth after anxiety treatment. (external link)
• Wergeland, Gro Janne Henningsen; Posserud, Maj-Britt Rocio; Fjermestad, Krister Westlye et al. (2022). Early Behavioral Interventions for Children and Adolescents With Autism Spectrum Disorder in Routine Clinical Care: A Systematic Review and Meta-Analysis. (external link)
• Bjelland, Ingvar; Posserud, Maj-Britt Rocio; Wergeland, Gro Janne Henningsen (2022). Dialogue based early detection—Development of a novel approach for detection of mental health problems among children in daycare centers. (external link)
• Bertelsen, Thomas Bjerregaard; Wergeland, Gro Janne Henningsen; Nordgreen, Tine et al. (2022). Benchmarked effectiveness of family and school involvement in group exposure therapy for adolescent anxiety disorder. (external link)
• Kodal, Arne; Muirhead, Fiona; Reilly, John J. et al. (2022). Development and feasibility testing of a physical activity intervention for youth with anxiety and depression: a study protocol. (external link)
• Haugland, Bente Storm Mowatt; Hysing, Mari; Baste, Valborg et al. (2021). Sleep duration and insomnia in adolescents seeking treatment for anxiety in primary health care. (external link)
• Haugland, Bente Storm Mowatt; Hysing, Mari; Hoffart, Asle et al. (2021). Effect of early intervention for anxiety on sleep outcomes in adolescents: a randomized trial. (external link)
• Moussavi, Yasmin; Breivik, Kyrre; Wergeland, Gro Janne Henningsen et al. (2021). Internalizing Symptom Profiles Among Youth in Foster Care: A Comparison Study. (external link)
• Fjermestad, Krister Westlye; Ditlefsen, Nina; Unsvåg, Marie H. et al. (2021). Exposure Quality in Cognitive Behavioral Treatment for Youth Anxiety Disorders—Predictors and Associations with Outcomes. (external link)
• Moussavi, Yasmin; Wergeland, Gro Janne; Bøe, Tormod et al. (2021). Internalizing Symptoms Among Youth in Foster Care: Prevalence and Associations with Exposure to Maltreatment. (external link)
• Husabo, Elisabeth; Haugland, Bente Storm Mowatt; McLeod, Bryce D. et al. (2021). Treatment Fidelity in Brief Versus Standard-Length School-Based Interventions for Youth with Anxiety. (external link)
• Haugland, Bente Storm Mowatt; Håland, Åshild Tellefsen; Baste, Valborg et al. (2020). Effectiveness of brief and standard school-based cognitive-behavioral interventions for adolescents with anxiety: A randomized noninferiority study. (external link)
• Husabø, Ingrid Elisabeth; Haugland, Bente Storm; Wergeland, Gro Janne et al. (2020). Providers’ experiences with delivering school-based targeted prevention for adolescents with anxiety symptoms: A qualitative study. (external link)
• Fjermestad, Krister; Lium, Christina; Heiervang, Einar et al. (2020). Parental internalizing symptoms as predictors of anxiety symptoms in clinic-referred children. (external link)
• Fjermestad, Krister; Anthonisen, Ingvild; Haugland, Bente Storm Mowatt et al. (2020). Sammen­hengen mellom behandlings­fornøydhet og effekt av kognitiv atferds­terapi. (external link)
• Wergeland, Gro Janne; Riise, Eili Nygard; Öst, Lars Gøran (2020). Cognitive behavior therapy for internalizing disorders in children and adolescents in routine clinical care: A systematic review and meta-analysis. (external link)
• Fjermestad, Krister; Wergeland, Gro Janne; Rogde, Anja Høye et al. (2020). School-based targeted prevention compared to specialist mental health treatment for youth anxiety. (external link)
• Husabo, Elisabeth; Haugland, Bente Storm Mowatt; McLeod, Bryce D. et al. (2020). Does school-based recruitment for anxiety interventions reach youth not otherwise identified? A comparison between a school-based sample and a clinical sample. (external link)
• Fjermestad, Krister; Føreland, Øyvind; Oppedal, Silje et al. (2020). Therapist Alliance-Building Behaviors, Alliance, and Outcomes in Cognitive Behavioral Treatment for Youth Anxiety Disorders. (external link)
• Reardon, Tessa; Creswell, Cathy; Lester, Kathryn J. et al. (2019). The utility of the SCAS-C/P to detect specific anxiety disorders among clinically anxious children. (external link)
• Bjåstad, Jon Fauskanger; Wergeland, Gro Janne; Haugland, Bente Storm Mowatt et al. (2018). Do clinical experience, formal cognitive behavioural therapy training, adherence, and competence predict outcome in cognitive behavioural therapy for anxiety disorders in youth?. (external link)
• Kodal, Arne; Fjermestad, Krister; Bjelland, Ingvar et al. (2018). Predictors of long-term outcome of CBT for youth with anxiety disorders treated in community clinics. (external link)
• Heiervang, Einar; Villabø, Marianne Aalberg; Wergeland, Gro Janne (2018). Cognitive behavior therapy for child and adolescent anxiety disorders: an update on recent evidence. (external link)
• McKinnon, Anna; Keers, Robert; Coleman, Jonathan R.I. et al. (2018). The impact of treatment delivery format on response to cognitive behaviour therapy for preadolescent children with anxiety disorders. (external link)
• Lester, Kathryn J.; Coleman, Jonathan R.I.; Roberts, Susanna et al. (2017). Genetic variation in the endocannabinoid system and response to Cognitive Behavior Therapy for child anxiety disorders. (external link)
• Kodal, Arne; Bjelland, Ingvar; Gjestad, Rolf et al. (2017). Subtyping social anxiety in youth. (external link)
• Raknes, Solfrid; Pallesen, Ståle; Himle, Joseph A. et al. (2017). Quality of life in anxious adolescents. (external link)
• Kodal, Arne; Fjermestad, Krister; Bjelland, Ingvar et al. (2017). Long-term effectiveness of cognitive behavioral therapy for youth with anxiety disorders. (external link)
• Fjermestad, Krister; Lerner, Matthew D.; McLeod, Bryce D. et al. (2017). Motivation and treatment credibility predict alliance in cognitive behavioral treatment for youth with anxiety disorders in community clinics. (external link)
• Fjermestad, Krister; Wahlborg, Marte Strandheim; Stokke, Simen et al. (2017). Behavioral Inhibition in Boys with Sex Chromosome Aneuploidies Compared to a Clinical Sample. (external link)
• Raknes, Solfrid; Pallesen, Ståle; Bjåstad, Jon Fauskanger et al. (2017). Negative life events, social support, and self-efficacy in anxious adolescents.. (external link)
• Lester, Kathryn J.; Roberts, Susanna; Keers, Robert et al. (2016). Non-replication of the association between 5HTTLPR and response to psychological therapy for child anxiety disorders. (external link)
• Coleman, Jonathan R.I.; Lester, Kathryn J.; Keers, Robert et al. (2016). Genome-wide association study of response to cognitive-behavioural therapy in children with anxiety disorders. (external link)
• Wergeland, Gro Janne; Fjermestad, Krister; Marin, Carla E. et al. (2016). Predictors of treatment outcome in an effectiveness trial of cognitive behavioral therapy for children with anxiety disorders. (external link)
• Fjermestad, Krister; Lerner, Matthew D.; McLeod, Bryce D et al. (2016). Therapist-youth agreement on alliance change predicts long-term outcome in CBT for anxiety disorders. (external link)
• Fjermestad, Krister; Stokke, Simen; Wergeland, Gro Janne et al. (2015). Socio-emotional problems in boys with sex chromosome aneuploidies compared to a clinical sample. (external link)
• Hudson, Jennifer L.; Keers, Robert; Roberts, Susanna et al. (2015). Clinical predictors of response to cognitive-behavioral therapy in pediatric anxiety disorders: The genes for treatment (GxT) study. (external link)
• Wergeland, Gro Janne; Fjermestad, Krister; Marin, Carla E. et al. (2015). Predictors of dropout from community clinic child CBT for anxiety disorders. (external link)
• Wergeland, Gro Janne Henningsen; Fjermestad, Krister; Marin, Carla E. et al. (2014). An effectiveness study of individual vs. group cognitive behavioral therapy for anxiety disorders in youth. (external link)

Other

• Bjelland, Ingvar; Wergeland, Gro Janne Henningsen; Gillberg, Christopher et al. (2025). PRO-DIALOG—the effect of a novel dialogue-based parent-teacher conference on mental health in kindergarten children: a cluster randomized controlled trial. (external link)
• Haugland, Bente Storm Mowatt; Raknes, Solfrid; Håland, Åshild Tellefsen et al. (2017). School-based cognitive behavioral interventions for anxious youth: study protocol for a randomized controlled trial.. (external link)

Academic literature review

• Öst, Lars Gøran; Brattmyr, Martin; Enebrink, Pia et al. (2025). Cognitive behavioral therapy for adult insomnia disorder in routine clinical care: a systematic review and meta-analysis. (external link)
• Njardvik, Urdur; Wergeland, Gro Janne Henningsen; Riise, Eili Nygard et al. (2025). Psychiatric comorbidity in children and adolescents with ADHD: A systematic review and meta-analysis. (external link)
• Andersson, Erik; Aspvall, Kristina; Schettini, Greta et al. (2024). Efficacy of metacognitive interventions for psychiatric disorders: a systematic review and meta-analysis. (external link)
• Skotheim, Siv; Wergeland, Gro Janne Henningsen; Kvello, Øyvind (2024). Kunnskapsoppsummering og klassifisering av tiltaket: Mestringskurs for ungdom (DU) ( 3 utg.). (external link)
• Wergeland, Gro Janne Henningsen; Ghaderi, Ata; Fjermestad, Krister Westlye et al. (2024). Family therapy and cognitive behavior therapy for eating disorders in children and adolescents in routine clinical care: a systematic review and meta-analysis. (external link)
• Öst, Lars Gøran; Brattmyr, Lars Martin; Finnes, Anna et al. (2023). Cognitive behavior therapy for adult eating disorders in routine clinical care: A systematic review and meta-analysis. (external link)
• Öst, Lars Gøran; Enebrink, Pia; Finnes, Anna et al. (2023). Cognitive behavior therapy for adult depressive disorders in routine clinical care: A systematic review and meta-analysis. (external link)
• Öst, Lars Gøran; Enebrink, Pia; Finnes, Anna et al. (2022). Cognitive behavior therapy for obsessive-compulsive disorder in routine clinical care: A systematic review and meta-analysis. (external link)
• Creswell, Cathy; Nauta, Maaike; Hudson, Jennifer L. et al. (2020). Research Review: Recommendations for reporting on treatment trials for child and adolescent anxiety disorders – an international consensus statement. (external link)
• Reedtz, Charlotte; Wergeland, Gro Janne (2020). Kunnskapsoppsummering og klassifisering av tiltaket: Dialektisk atferdsterapi for ungdom (Dialectical behavior therapy for Adolescents, DBT-A). (external link)
• Riise, Eili Nygard; Wergeland, Gro Janne; Njardvik, Urdur et al. (2020). Cognitive behavior therapy for externalizing disorders in children and adolescents in routine clinical care: A systematic review and meta-analysis. (external link)
• Øst, Lars Gøran; Riise, Eili Nygard; Wergeland, Gro Janne et al. (2016). Cognitive behavioral and pharmacological treatments of OCD in children: A systematic review and meta-analysis. (external link)
• Wergeland, Gro Janne; Skotheim, Siv; Kvello, Øyvind (2016). Kunnskapsoppsummering og klassifisering av tiltaket: DU-Mestringskurs for ungdom (2. utg). (external link)

Academic lecture

• Syversen, Anne Mari; Wergeland, Gro Janne Henningsen; Tørmoen, Anita Johanna et al. (2025). Evaluation of DBT-A in routine clinical practice. (external link)
• Bjåstad, Jon Fauskanger; Gjestad, Rolf; Fjermestad, Krister Westlye et al. (2023). Does adherence, competence and alliance predict long-term outcome in CBT for anxiety disorders in youth. (external link)
• Bjåstad, Jon Fauskanger; Öst, Lars Gøran; Wergeland, Gro Janne Henningsen et al. (2023). Feasability of Virtual Reality in CBT for Anxiety Disorders in a Child and Adolescent Mental Health Service (CAMHS) : symposium The future is Now: Paediatric Mental Health Service Innovations. (external link)
• Bjåstad, Jon Fauskanger; Wergeland, Gro Janne Henningsen; Haugland, Bente Storm Mowatt et al. (2017). Clinical experience, formal CBT training, adherence and competence as predictors of outcome in CBT for anxiety disorders in youth. (external link)
• Husabo, Elisabeth; Wergeland, Gro Janne; Manger, Terje et al. (2016). Lavterskeltiltak for engstlige ungdommer, hva er viktig i implementeringen? (LIST-studien). (external link)
• Bjåstad, Jon Fauskanger; Wergeland, Gro Janne Henningsen; Haugland, Bente Storm Mowatt (2015). Current research directions for youth anxiety in Western Norway.. (external link)
• Haugland, Bente Storm Mowatt; Håland, Åshild Tellefsen; Bjåstad, Jon Fauskanger et al. (2015). School Based, Early Intervention For Anxious Youth : An example of primary care psychology in Norway. (external link)
• Idsøe, Thormod; Wergeland, Gro Janne; Håland, Åshild Tellefsen et al. (2014). New Group Interventions for Adolescents. (external link)
• Raknes, Solfrid; Håland, Åshild Tellefsen; Haugland, Bente Storm Mowatt et al. (2014). Low-intesity for Youths who Dare. (external link)
• Wergeland, Gro Janne Henningsen; Fjermestad, Krister Westlye; Havik, Odd E. et al. (2013). Predictors of treatment outcome in CBT for youth with anxiety disorders. (external link)
• Wergeland, Gro Janne Henningsen; Fjermestad, Krister; Havik, Odd E. et al. (2013). Predictors of treatment outcome in CBT for youth with social anxiety disorder. (external link)

Popular scientific article

• Haugland, Bente Storm Mowatt; Wergeland, Gro Janne Henningsen (2025). Foreldre som støttespillere for barn og ungdom som er engstelige | Rådet for psykisk helse. (external link)

Chapter

• Riise, Eili Nygard; Wergeland, Gro Janne Henningsen; Haugland, Bente Storm Mowatt (2025). Kognitiv atferdsterapi med barn og ungdom med angst. (external link)
• Haugland, Bente Storm Mowatt; Wergeland, Gro Janne Henningsen; Husabo, Elisabeth (2023). School-based cognitive behavioral interventions for youth with anxiety. (external link)
• Riise, Eili Nygard; Haugland, Bente Storm Mowatt; Wergeland, Gro Janne Henningsen (2023). Cognitive Behavioral Therapy (CBT) with Children and Adolescents. (external link)
• Bjåstad, Jon Fauskanger; Wergeland, Gro Janne Henningsen; Haugland, Bente Storm Mowatt (2020). Angstlidelser hos ungdom. (external link)
• Wergeland, Gro Janne; Haugland, Bente Storm Mowatt; Bjåstad, Jon Fauskanger et al. (2017). FRIENDS programmet - for forebygging og behandling av angst hos barn og ungdom. (external link)
• Haugland, Bente Storm Mowatt; Wergeland, Gro Janne; Bjåstad, Jon Fauskanger et al. (2017). Cool kids/Chilled - for å mestre den vanskelige angsten. (external link)
• Bjåstad, Jon Fauskanger; Heiervang, Einar; Wergeland, Gro Janne Henningsen et al. (2013). Kunnskapsbasert angstbehandling i psykisk helsevern for barn og unge. (external link)

Poster

• HOdt, Gunhild C.; Alsaker, Synnøva Hystad; Skjeldal, Ola et al. (2025). Pica, ARFID and rumination disorder in children with autism spectrum disorder: a systematic review.. (external link)
• Dyresen, Agnete; Fjermestad, Krister Westlye; Kodal, Arne et al. (2025). The Role of Externalizing Symptoms on Long-term Treatment Outcomes in Youth with Anxiety Disorders. (external link)
• Posserud, Maj-Britt Rocio; Instanes, Johanne Telnes; Alsaker, Sissel et al. (2023). Enabling parents of children with autism spectrum disorders – a randomized controlled trial of parenting programs. (external link)
• Wergeland, Gro Janne Henningsen; Bjåstad, Jon Fauskanger; Haugland, Bente Storm Mowatt et al. (2017). Does Clinical Experience, Formal Cognitive-Behavioral Therapy (CBT) Training, Adherence, and Competence Predict Outcome in CBT for Anxiety Disorders in Youth?. (external link)
• Husabo, Elisabeth; Wergeland, Gro Janne; Ogden, Terje et al. (2016). Lavterskeltiltak for ungdom med angst: protokoll for en implementeringsstudie. (external link)
• Bjåstad, Jon Fauskanger; Kjelsberg, Kjærsti; Øhlckers, Lars Ravn et al. (2016). Angstbehandling i BUP. (external link)
• Bjåstad, Jon Fauskanger; Øhlckers, Lars Ravn; Moe, Lars Conrad et al. (2015). Examining the content and effectiveness of treatments for anxiety disorders in child and adolescent mental health clinics. (external link)
• Haugland, Bente Storm Mowatt; Stormark, Kjell Morten; Bjåstad, Jon Fauskanger et al. (2014). LIST-prosjektet: Lav-intensiv versus standard kognitiv atferdsterapi for engstelige ungdom. (external link)
• Wergeland, Gro Janne Henningsen; Fjermestad, Krister Westlye; Marin, C. E. et al. (2014). Predictors of treatment outcome.. (external link)
• Haugland, Bente Storm Mowatt; Wergeland, Gro Janne Henningsen; Bjåstad, Jon Fauskanger et al. (2013). Negative self-statements in anxious youth. (external link)

Academic chapter/article/Conference paper

• Öst, Lars Gøran; Wergeland, Gro Janne Henningsen (2023). Exposure therapy for specific phobias in children and adolescents. (external link)
• Bjåstad, Jon Fauskanger; Wergeland, Gro Janne; Fjermestad, Krister et al. (2016). Long-term outcome and predictors of outcome in CBT for youth anxiety. (external link)

Textbook

• Öst, Lars-Göran; Wergeland, Gro Janne Henningsen (2023). Handbook of Child and Adolescent Psychology Treatment Modules, Chapter 7, Exposure therapy for specific phobias in children and adolescents. (external link)

Reader opinion piece

• Haugland, Bente Storm Mowatt; Wergeland, Gro Janne Henningsen (2021). Commentary: Evaluating Delivery of a CBT-Based Group Intervention for Schoolchildren With Emotional Problems: Examining the Reliability and Applicability of a Video-Based Adherence and Competence Measure. (external link)

Doctoral dissertation

• Husabo, Elisabeth; Wergeland, Gro Janne Henningsen; Haugland, Bente Storm Mowatt et al. (2021). Implementation of indicated anxiety prevention in schools. (external link)
• Kodal, Arne; Bjelland, Ingvar; Wergeland, Gro Janne et al. (2018). Long-term effectiveness of cognitive behavior therapy for youth with anxiety disorders: Outcome, predictors and social anxiety. (external link)
• Wergeland, Gro Janne; Heiervang, Einar; Haugland, Bente Storm Mowatt (2015). Effectiveness of cognitive behavior therapy for youth with anxiety disorders. A randomized controlled study. (external link)

See a complete overview of publications in Cristin.