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Krister Westlye Fjermestad

Professor - Klinisk psykologi
Bilde av Krister Westlye Fjermestad
Telefon +47 22 84 52 11
Mobiltelefon 94201947
Rom S02-27
Treffetider Etter avtale
Brukernavn
Besøksadresse Forskningsveien 3A Harald Schjelderups hus 0373 Oslo
Postadresse Postboks 1094 Blindern 0317 Oslo

Faglige interesser

  • Nevroutviklingsfortyrrelser og påvirking på søsken og foreldre

  • Sjeldne genetiske diagnoser

  • Kartlegging og behandling av angst hos barn

  • Behandlingsprosesser og allianse

Bakgrunn

Krister Fjermestad er Dr. Psychol fra Universitetet i Bergen 2012. Doktorgraden hans handler om allianse i behandling av angst hos barn. Hovedinteresseområdene er nevroutviklingsfortyrrelser og deres påvirking på søsken og foreldre, sjeldne diagnoser, og behandlingsprosesser.

Pågående forskningspropsjekter omhandler sjeldne diagnoser, familier til barn med kronisk sykdom og angstbehandling. Han leder en randomisert kontrollert studie som undersøker effekten av en intervensjon for søsken og foreldre til barn med nevroutviklingsfortyrrelser. På siden av UiO-stilingen arbeider han 20% på Frambu senter for sjeldne diagnoser, med ansvar for forskning, undervisning og konsultasjoner og han har arbeidet flere år i barne- og ungdomspsykiatrien. Fjermestad er leder for BFT-klinikken på PSI. 

Samarbeidspartnere 

Fjermestad har flere nasjonale samarbeidspartnere, samt internasjonale samarbeidspartnere på Yale University, Stony Brook University, UC Davis Mind institute og Virginia Commonwealth University i USA og Universitetet i Utrecht i Nederland. Han driver også et forsknings- og utviklingsprosjekt i samarbeid med Caritas Child and Adolescent Mental Health Clinic, Chey Chumneas Referral Hospital i Kambosja. 

 

Emneord: Klinisk psykologi, Klinisk barne- og ungdomspsykologi, Avdeling for klinisk psykologi

Publikasjoner

  • Prentice, Caitlin M.; Bondi, Sindre; Juul-Hansen, Simen; Zahl, Erica; Vatne, Torun M. & Fjermestad, Krister (2026). “I Can Relate to That”: Experiences of Families with a Chronic Disorder as Shared by Parents in a Group Setting. Journal for Specialists in Group Work. ISSN 0193-3922. s. 20–20. doi: 10.1080/01933922.2026.2716636. Fulltekst i vitenarkiv
  • Prentice, Caitlin Mccombs; Orm, Stian; Kirchhofer, Solveig Melanie; Fredriksen, Trude; Botta, Matteo & Zahl, Erica [Vis alle 8 forfattere av denne artikkelen] (2026). Family Factors Associated with Teacher-Rated Mental Health for Siblings of Children with Chronic Disorders. School Mental Health. ISSN 1866-2625. doi: 10.1007/s12310-026-09866-2. Fulltekst i vitenarkiv
  • Fjermestad, K.W.; Skjefrås, M. Lahn-Johannessen; Hjelvik, O. & Orm, S. (2026). Coronavirus Fear and Mental Health in Parents of Children with Chronic Disorders: A 12-Month Longitudinal Study. Geopsychiatry. doi: 10.1016/j.geopsy.2026.100079. Fulltekst i vitenarkiv
  • Prentice, Caitlin Mccombs; Wehrli, Susanne; Zahl, Erica; Orm, Stian; Botta, Matteo & Vatne, Torun Marie [Vis alle 9 forfattere av denne artikkelen] (2026). Parent–Teacher Discrepancies About the Mental Health of Siblings of Children With Chronic Disorders: A Latent Profile Analysis. Journal of Emotional and Behavioral Disorders. ISSN 1063-4266. 34(2), s. 106–116. doi: 10.1177/10634266261417609. Fulltekst i vitenarkiv
  • Schumann, Amalie; Vatne, Torun Marie; Dalton, Louise; Rapa, Elizabeth & Fjermestad, Krister Westlye (2025). “It’s like a car that doesn’t like gasoline” - a qualitative study of siblings’ understanding of anorexia nervosa in childhood: perspectives from siblings and parents. Journal of Eating Disorders. 13. doi: 10.1186/s40337-025-01263-5. Fulltekst i vitenarkiv
  • Halsøy, Øyvind; Ebrahimi, Omid Vakili; Johnson, Sverre Urnes; Hoffart, Asle; Moreira, Hugo Cogo & Fjermestad, Krister Westlye (2025). Depressive Symptoms in Individuals With Chronic Conditions During the Covid-19 Pandemic: A 2-Year Longitudinal Study. Stress and Health. ISSN 1532-3005. 41(4). doi: 10.1002/smi.70082. Fulltekst i vitenarkiv
  • Smits, Rosanne M.; Aerts, Aukje; Angelov, Teodor; Bentele, Marissa; Blaauw, Ivo de & Dellenmark-Blom, Michaela [Vis alle 23 forfattere av denne artikkelen] (2025). Addressing psychosocial vulnerability in rare diseases: a call to action from a European expert consensus study. Orphanet Journal of Rare Diseases. 20(1). doi: 10.1186/s13023-025-04017-3. Fulltekst i vitenarkiv
  • Prentice, Caitlin Mccombs; Aanesen, Anna; Syverstad, Amalie Kirkedelen; Vatne, Torun Marie & Fjermestad, Krister Westlye (2025). Communication quality between parents and siblings of children with chronic disorders. PEC Innovation. 7. doi: 10.1016/j.pecinn.2025.100419. Fulltekst i vitenarkiv
  • Kirchhofer, Solveig Melanie; Fredriksen, Trude; Orm, Stian; Botta, Matteo; Zahl, Erica & Moreira, Hugo Cogo [Vis alle 11 forfattere av denne artikkelen] (2025). Effectiveness of a group intervention to improve mental health in siblings of children with chronic disorders: a cluster randomized controlled trial. Journal of Pediatric Psychology. ISSN 0146-8693. 50(6), s. 443–453. doi: 10.1093/jpepsy/jsaf021. Fulltekst i vitenarkiv
  • Fredriksen, Trude; Orm, Stian; Prentice, Caitlin Mccombs; Kirchhofer, Solveig Melanie; Zahl, Erica & Botta, Matteo [Vis alle 8 forfattere av denne artikkelen] (2025). Disorder Type and Severity as Predictors of Mental Health in Siblings of Children with Chronic Disorders. Journal of Autism and Developmental Disorders. ISSN 0162-3257. doi: 10.1007/s10803-025-06771-6. Fulltekst i vitenarkiv
  • Orm, Stian; Wood, Jeffrey J.; Fossum, Ingrid Nesdal; Adams, Keenan; Andersen, Per Normann & Fjermestad, Krister Westlye [Vis alle 8 forfattere av denne artikkelen] (2025). Anxiety Symptoms Predict Subsequent Depressive Symptoms in Neurodivergent Youth: A 10-Year Longitudinal Study. Research on Child and Adolescent Psychopathology. ISSN 2730-7166. 53(3), s. 429–441. doi: 10.1007/s10802-025-01292-3. Fulltekst i vitenarkiv
  • Kirchhofer, Solveig Melanie; Orm, Stian; Briggs, Nancy E.; Fredriksen, Trude; Zahl, Erica & Prentice, Caitlin Mccombs [Vis alle 11 forfattere av denne artikkelen] (2025). Siblings in families of children with chronic disorders: a model of risk and protective factors. Journal of Pediatric Psychology. ISSN 0146-8693. 50(6), s. 488–499. doi: 10.1093/jpepsy/jsaf017. Fulltekst i vitenarkiv
  • Fjermestad, Krister Westlye & Lervik, Nora Hjelde (2025). “His brain works in a different way”: siblings’ understanding of autism. Frontiers in Psychiatry. 16. doi: 10.3389/fpsyt.2025.1506057. Fulltekst i vitenarkiv
  • Halsøy, Øyvind; Orm, Stian; Moreira, Hugo Cogo; Silverman, Wendy K. & Fjermestad, Krister Westlye (2025). Trajectories of depression and anxiety in adults with rare disorders across 13 months during the COVID-19 pandemic. Orphanet Journal of Rare Diseases. 20(1). doi: 10.1186/s13023-025-03633-3. Fulltekst i vitenarkiv
  • Prentice, Caitlin Mccombs; Fjermestad, Krister Westlye; Haukeland, Yngvild Bjartveit & Vatne, Torun Marie (2025). Psychosocial Functioning for Preschool-Aged Siblings of Children With Chronic Disorders: A Scoping Review. Child: Care, Health and Development. ISSN 0305-1862. 51(2). doi: 10.1111/cch.70039. Fulltekst i vitenarkiv
  • Zahl, Erica; Willemen, Agnes M.; Fredriksen, Trude; Kirchhofer, Solveig Melanie; Vatne, Torun Marie & Orm, Stian [Vis alle 9 forfattere av denne artikkelen] (2024). Mental health in mothers and fathers of children with chronic disorders. PEC Innovation. 5. doi: 10.1016/j.pecinn.2024.100331. Fulltekst i vitenarkiv
  • Fjermestad, Krister Westlye; Norum, Fredrik Ø.; Brask, Helene S.; Kodal, Arne; Silverman, Wendy K. & Heiervang, Einar Røshol [Vis alle 7 forfattere av denne artikkelen] (2024). Anxiety Symptom Trajectories Predict Depression Symptom Trajectories up to Four Years After CBT for Youth Anxiety Disorders. Research on Child and Adolescent Psychopathology. ISSN 2730-7166. 52, s. 1–11. doi: 10.1007/s10802-024-01214-9. Fulltekst i vitenarkiv
  • Lønning, Ingvild Synnøve; Fjermestad, Krister Westlye & Haugland, Bente Storm Mowatt (2024). Mental Health and Well-being in Adolescent and Adult Siblings of Persons with Severe Mental Illness: A Scoping review. Journal of Child and Family Studies. ISSN 1062-1024. 33, s. 1934–1948. doi: 10.1007/s10826-023-02759-x. Fulltekst i vitenarkiv
  • Zahl, Erica; Moreira, Hugo Cogo; Fredriksen, Trude; Kirchhofer, Solveig Melanie; Orm, Stian & Vatne, Torun Marie [Vis alle 8 forfattere av denne artikkelen] (2024). Mental health dynamics between mothers and siblings of children with disabilities. Frontiers in Psychology. 15. doi: 10.3389/fpsyg.2024.1501343. Fulltekst i vitenarkiv
  • Bertie, Lizel-Antoinette; Quiroz, Juan C.; Berkovsky, Shlomo; Arendt, Kristian; Bögels, Susan & Coleman, Jonathan R.I. [Vis alle 30 forfattere av denne artikkelen] (2024). Predicting remission following CBT for childhood anxiety disorders: a machine learning approach. Psychological Medicine. ISSN 0033-2917. doi: 10.1017/S0033291724002654. Fulltekst i vitenarkiv
  • Boettcher, Johannes; Orm, Stian & Fjermestad, Krister Westlye (2024). Autism traits, social withdrawal, and behavioral and emotional problems in a Norwegian cohort of adolescents with rare genetic disorders. Research in Developmental Disabilities. ISSN 0891-4222. 147. doi: 10.1016/j.ridd.2024.104699. Fulltekst i vitenarkiv
  • Fredriksen, Trude; Vatne, Torun Marie; Haukeland, Yngvild Bjartveit; Czajkowski, Nikolai Olavi; Wakefield, Claire E. & Fjermestad, Krister Westlye (2024). Evaluation of Siblings’ Perceived Relationship Outcomes with Their Parents in an Open Trial of the SIBS Intervention for Children with Chronic Disorders. Journal of Child and Family Studies. ISSN 1062-1024. 33. doi: 10.1007/s10826-024-02824-z. Fulltekst i vitenarkiv
  • Tien, Ingrid S.; Orm, Stian; Wood, Jeffrey J.; Skogli, Erik Winther & Fjermestad, Krister Westlye (2024). Sex Differences in Autism Symptoms and Mental Health Difficulties in Adolescents with Rare Genetic Disorders. Advances in Neurodevelopmental Disorders. ISSN 2366-7532. doi: 10.1007/s41252-024-00405-1. Fulltekst i vitenarkiv
  • Zahl, Erica; Dale, Sigurd Skjeggestad; Fjermestad, Krister Westlye & Vatne, Torun Marie (2024). Parenting a child with a disability: Fathers’ perceptions of the couple relationship. Journal of Social and Personal Relationships. ISSN 0265-4075. doi: 10.1177/02654075241248387. Fulltekst i vitenarkiv
  • Veerman, Linda K.M.; Orm, Stian; Fjermestad, Krister Westlye; Vatne, Torun Marie; Haukeland, Yngvild Bjartveit & Sterkenburg, Paula S. [Vis alle 7 forfattere av denne artikkelen] (2024). Measuring adjustment of siblings of children with disabilities: psychometric properties across translations, age groups and informants. International Journal of Developmental Disabilities (IJDD). ISSN 2047-3869. doi: 10.1080/20473869.2024.2411511. Fulltekst i vitenarkiv
  • Orm, Stian; Tien, Ingrid S.; Wood, Jeffrey J. & Fjermestad, Krister Westlye (2024). Autism and attention-deficit/hyperactivity symptoms as risk factors of school attendance problems in youth with rare genetic disorders. Discover Psychology. 4(1). doi: 10.1007/s44202-024-00303-6. Fulltekst i vitenarkiv
  • Orm, Stian; Wood, Jeffrey J.; Fossum, Ingrid Nesdal; Andersen, Per Normann; Fjermestad, Krister Westlye & Øie, Merete Glenne [Vis alle 7 forfattere av denne artikkelen] (2024). Within-Person Effects of Executive Functioning on Anxiety and Depressive Symptoms in Youth with Neurodevelopmental Disorders: A Longitudinal Study. Advances in Neurodevelopmental Disorders. ISSN 2366-7532. doi: 10.1007/s41252-024-00421-1. Fulltekst i vitenarkiv
  • Skumsnes, Toril; Fjermestad, Krister Westlye; Wergeland, Gro Janne Henningsen; Aalberg, Marianne; Heiervang, Einar Røshol & Kodal, Arne [Vis alle 7 forfattere av denne artikkelen] (2024). Behavioral Inhibition and Social Anxiety Disorder as Predictors of Long-Term Outcomes of Cognitive Behavioral Therapy for Youth Anxiety Disorders. Research on Child and Adolescent Psychopathology. ISSN 2730-7166. 52, s. 1427–1439. doi: 10.1007/s10802-024-01215-8. Fulltekst i vitenarkiv
  • Huster, Rene Jürgen; Thunberg, Christina; Solbakk, Anne-Kristin; Gravholt, Claus H. & Fjermestad, Krister Westlye (2024). Inhibitory deficits in Klinefelter syndrome are secondary to deficits in the auditory and motor domain. NeuroImage: Clinical. 44. doi: 10.1016/j.nicl.2024.103674. Fulltekst i vitenarkiv
  • Prentice, Caitlin Mccombs; Orm, Stian; Botta, Matteo; Vatne, Torun Marie; Fredriksen, Trude & Kirchhofer, Solveig Melanie [Vis alle 7 forfattere av denne artikkelen] (2024). Teacher-Rated Mental Health of Siblings of Children with Chronic Disorders. School Mental Health. ISSN 1866-2625. 16, s. 1183–1196. doi: 10.1007/s12310-024-09685-3. Fulltekst i vitenarkiv
  • Schumann, Amalie; Vatne, Torun Marie & Fjermestad, Krister Westlye (2024). What challenges do siblings of children with chronic disorders express to their parents? A thematic analysis of 73 sibling-parent dialogues. Journal of Pediatric Nursing : Nursing Care of Children and Families. ISSN 0882-5963. 76, s. 91–98. doi: 10.1016/j.pedn.2024.01.032. Fulltekst i vitenarkiv
  • Fjermestad, Krister Westlye; Wallin, Malin Haggkvist; Naujokat, Frederike; McLeod, Bryce D.; Silverman, Wendy K. & Öst, Lars-Göran [Vis alle 9 forfattere av denne artikkelen] (2024). Group cohesion and alliance predict cognitive-behavioral group treatment outcomes for youth with anxiety disorders. Cognitive Behaviour Therapy. ISSN 1650-6073. 54(1), s. 96–114. doi: 10.1080/16506073.2024.2385906. Fulltekst i vitenarkiv
  • Fjermestad, Krister Westlye; Naujokat, Frederike; Wallin, Malin Haggkvist & Wergeland, Gro Janne Henningsen (2024). Mediation Effects of Group Cohesion in Group-Based Cognitive Behavioral Therapy for Youth Anxiety Disorders. International journal of group psychotherapy. ISSN 0020-7284. doi: 10.1080/00207284.2024.2365718. Fulltekst i vitenarkiv
  • Wergeland, Gro Janne Henningsen; Ghaderi, Ata; Fjermestad, Krister Westlye; Enebrink, Pia; Halsaa, Lillan & Njardvik, Urdur [Vis alle 9 forfattere av denne artikkelen] (2024). Family therapy and cognitive behavior therapy for eating disorders in children and adolescents in routine clinical care: a systematic review and meta-analysis. European Child and Adolescent Psychiatry. ISSN 1018-8827. doi: 10.1007/s00787-024-02544-1. Fulltekst i vitenarkiv
  • Fjermestad, Krister Westlye; Orm, Stian; Fredriksen, Trude; Haukeland, Yngvild Bjartveit & Vatne, Torun Marie (2024). Factor Structure of the Experiences in Close Relationships—Relationship Structures Scale (ECR-RS) in Siblings of Children with Chronic Disorders. Children. 11(5), s. 1–11. doi: 10.3390/children11050560. Fulltekst i vitenarkiv
  • Veerman, Linda K.M.; Fjermestad, Krister Westlye; Vatne, Torun Marie; Sterkenburg, Paula S.; Derks, Suzanne D.M. & Dijken, Anjet A.J. Brouwer-van [Vis alle 7 forfattere av denne artikkelen] (2024). Cultural applicability and desirability of ‘Broodles’: The first serious game intervention for siblings of children with disabilities. PEC Innovation. 4. doi: 10.1016/j.pecinn.2024.100277. Fulltekst i vitenarkiv
  • Orm, Stian; Blikstad-Blumenthal, Celina & Fjermestad, Krister Westlye (2023). Attitudes toward people with intellectual disabilities in Norway. International Journal of Developmental Disabilities (IJDD). ISSN 2047-3869. doi: 10.1080/20473869.2023.2230825. Fulltekst i vitenarkiv
  • Fjermestad, Krister Westlye; Bergh, Nathalie; Fleten, Susanne Kyte; Huster, Rene Jürgen; Gravholt, C. & Solbakk, Anne-Kristin (2023). Mentalization and cognitive skills in men with Klinefelter syndrome versus non-clinical controls. Psychiatry Research Communications. 3(2). doi: 10.1016/j.psycom.2023.100116. Fulltekst i vitenarkiv
  • Fjermestad, Krister Westlye; Finnbakk, R.R.; Solbakk, Anne-Kristin; Gravholt, C.H. & Huster, Rene Jürgen (2023). Subjective versus objective sleep in men with Klinefelter syndrome. Orphanet Journal of Rare Diseases. 18(1). doi: 10.1186/s13023-023-02822-2. Fulltekst i vitenarkiv
  • Orm, Stian; Øie, Merete Glenne; Fossum, Ingrid Nesdal; Fjermestad, Krister Westlye; Andersen, Per Normann & Skogli, Erik Winther (2023). Predictors of Quality of Life and Functional Impairments in Emerging Adults With and Without ADHD: A 10-Year Longitudinal Study. Journal of Attention Disorders. ISSN 1087-0547. 27(5), s. 458–469. doi: 10.1177/10870547231153962. Fulltekst i vitenarkiv
  • Dyresen, Agnete; Stubberud, Jan Egil; Fjermestad, Krister Westlye; Haugen, Ingvild & Øie, Merete Glenne (2023). Executive control training for adolescents with ADHD: Study protocol for a randomized controlled trial. Contemporary Clinical Trials. ISSN 1551-7144. 136. doi: 10.1016/j.cct.2023.107404. Fulltekst i vitenarkiv
  • Rognli, Erling Wright & Fjermestad, Krister Westlye (2023). Informant Discrepancy in Report of Parent-adolescent Conflict as a Predictor of Hopelessness among Depressed Adolescents: A Replication Study. Journal of Child and Family Studies. ISSN 1062-1024. 32, s. 2522–2531. doi: 10.1007/s10826-023-02610-3. Fulltekst i vitenarkiv
  • Wergeland, Gro Janne Henningsen; Håland, Åshild Tellefsen; Fjermestad, Krister Westlye; Öst, Lars Gøran; Gjestad, Rolf & Bjåstad, Jon Fauskanger [Vis alle 10 forfattere av denne artikkelen] (2023). Predictors of school-based cognitive behavior therapy outcome for youth with anxiety. Behaviour Research and Therapy. ISSN 0005-7967. 169. doi: 10.1016/j.brat.2023.104400. Fulltekst i vitenarkiv
  • Fjermestad, Krister Westlye; Arnevåg, Sofie F; Öst, Lars Gøran; Kodal, Arne; Bjåstad, Jon Fauskanger & Heiervang, Einar Røshol [Vis alle 7 forfattere av denne artikkelen] (2023). Treatment motivation in child anxiety treatment – Factor structure and associations with outcomes. Psychiatry Research Communications. 3(4). doi: 10.1016/j.psycom.2023.100142. Fulltekst i vitenarkiv
  • Fjermestad, Krister Westlye; McLeod, Bryce D.; Silverman, Wendy K.; Bjåstad, Jon Fauskanger; Lerner, Matthew D. & Wergeland, Gro Janne Henningsen (2023). The Therapy Process Observational Coding System: Group cohesion scale in youth anxiety treatment: Psychometric properties. Journal of Clinical Psychology. ISSN 0021-9762. doi: 10.1002/jclp.23496. Fulltekst i vitenarkiv
  • Rognstad, Kristian; Engell, Thomas; Fjermestad, Krister Westlye; Wentzel-Larsen, Tore & Kjøbli, John (2023). Process and Implementation Elements of Measurement Feedback Systems: A Systematic Review. Administration and Policy in Mental Health and Mental Health Services Research. ISSN 0894-587X. doi: 10.1007/s10488-023-01325-3. Fulltekst i vitenarkiv
  • Orm, Stian; Wood, Jeffrey J.; Corbett, Blythe & Fjermestad, Krister Westlye (2023). Suicidal Risk Behaviors in Adolescents With Rare Neurodevelopmental Disorders: The Role of Sex, Autistic Traits, and Mental Health Difficulties. Journal of Pediatric Psychology. ISSN 0146-8693. 48(10), s. 852–860. doi: 10.1093/jpepsy/jsad051. Fulltekst i vitenarkiv
  • Zapf, Holger; Boettcher, Johannes; Haukeland, Yngvild Bjartveit; Orm, Stian; Coslar, Sarah & Fjermestad, Krister Westlye (2023). A systematic review of the association between parent-child communication and adolescent mental health. JCPP Advances. 4(2). doi: 10.1002/jcv2.12205. Fulltekst i vitenarkiv
  • Bjåstad, Jon Fauskanger; Gjestad, Rolf; Fjermestad, Krister Westlye; Öst, Lars Gøran; Haugland, Bente Storm Mowatt & Kodal, Arne [Vis alle 8 forfattere av denne artikkelen] (2023). Adherence, Competence, and Alliance as Predictors of Long-term Outcomes of Cognitive Behavioral Therapy for Youth Anxiety Disorders. Research on Child and Adolescent Psychopathology. ISSN 2730-7166. 51, s. 761–773. doi: 10.1007/s10802-023-01028-1. Fulltekst i vitenarkiv
  • Fjermestad, Krister Westlye; Orm, Stian; Silverman, Wendy K. & Moreira, Hugo Cogo (2022). Short report: COVID-19-related anxiety is associated with mental health problems among adults with rare disorders. Research in Developmental Disabilities. ISSN 0891-4222. 123. doi: 10.1016/j.ridd.2022.104181. Fulltekst i vitenarkiv
  • Fjermestad, Krister Westlye; Bellika, Katarina; Matre, Caroline; Silverman, Wendy K. & Wergeland, Gro Janne Henningsen (2022). Age and depressive symptoms change predict the 4-year self-concept trajectory for youth after anxiety treatment. Journal of Clinical Psychology. ISSN 0021-9762. 78(11), s. 2109–2121. doi: 10.1002/jclp.23427. Fulltekst i vitenarkiv
  • Hafting, Marit; Puthy, Pat; Aadland, Gunn; Fjermestad, Krister Westlye & Jegannathan, Bhoomikumar (2022). Competence building in child mental health -A Norway-Cambodia transcultural experience. Nordic Psychology. ISSN 1901-2276. s. 19–19. doi: 10.1080/19012276.2022.2066561. Fulltekst i vitenarkiv
  • Vatne, Torun Marie; Skjeggestad, Sigurd; Haukeland, Yngvild Bjartveit & Fjermestad, Krister Westlye (2022). A Qualitative Study of Men’s Experience of Being a Father in Families with Childhood Disability. Journal of Developmental and Physical Disabilities. ISSN 1056-263X. doi: 10.1007/s10882-022-09847-8. Fulltekst i vitenarkiv
  • Zapf, Holger; Boettcher, Johannes; Haukeland, Yngvild Bjartveit; Orm, Stian; Coslar, Sarah & Wiegand-Grefe, Silke [Vis alle 7 forfattere av denne artikkelen] (2022). A Systematic Review of Parent–Child Communication Measures: Instruments and Their Psychometric Properties. Clinical Child and Family Psychology Review. ISSN 1096-4037. 26(1), s. 121–142. doi: 10.1007/s10567-022-00414-3. Fulltekst i vitenarkiv
  • Wergeland, Gro Janne Henningsen; Posserud, Maj-Britt Rocio; Fjermestad, Krister Westlye; Njardvik, Urdur & Öst, Lars Gøran (2022). Early Behavioral Interventions for Children and Adolescents With Autism Spectrum Disorder in Routine Clinical Care: A Systematic Review and Meta-Analysis. Clinical Psychology. ISSN 0969-5893. 29(4). doi: 10.1037/cps0000106. Fulltekst i vitenarkiv
  • Kirchhofer, Solveig Melanie; Orm, Stian; Haukeland, Yngvild Bjartveit; Fredriksen, Trude; Wakefield, Claire E. & Fjermestad, Krister Westlye (2022). A systematic review of social support for siblings of children with neurodevelopmental disorders. Research in Developmental Disabilities. ISSN 0891-4222. 126. doi: 10.1016/j.ridd.2022.104234. Fulltekst i vitenarkiv
  • Haukeland, Yngvild Bjartveit; Vatne, Torun Marie; Mossige, Svein & Fjermestad, Krister Westlye (2022). Psychosocial functioning in siblings of children with rare disorders compared to controls. The Yale Journal of Biology and Medicine. ISSN 0044-0086. 94(4), s. 537–544. Fulltekst i vitenarkiv
  • Orm, Stian & Fjermestad, Krister Westlye (2021). A Scoping Review of Psychosocial Adjustment in Siblings of Children with Attention-deficit/hyperactivity disorder. Advances in Neurodevelopmental Disorders. ISSN 2366-7532. 5(4), s. 381–395. doi: 10.1007/s41252-021-00222-w. Fulltekst i vitenarkiv
  • Haukeland, Yngvild Bjartveit; Fjermestad, Krister Westlye; Mossige, Svein & Vatne, Torun Marie (2021). Parent-child communication about emotions during SIBS: a joint intervention for siblings and parents of children with chronic disorders. Nordic Psychology. ISSN 1901-2276. s. 1–18. doi: 10.1080/19012276.2021.1986850. Fulltekst i vitenarkiv
  • Orm, Stian; Vatne, Torun Marie; Tomeny, Theodore S. & Fjermestad, Krister (2021). Empathy and Prosocial Behavior in Siblings of Children with Autism Spectrum Disorder: A Systematic Review. Review Journal of Autism and Developmental Disorders. ISSN 2195-7177. doi: 10.1007/s40489-021-00251-0. Fulltekst i vitenarkiv
  • Orm, Stian; Haukeland, Yngvild; Vatne, Torun Marie; Silverman, Wendy K. & Fjermestad, Krister (2021). Prosocial behavior is a relative strength in siblings of children with physical disabilities or autism spectrum disorder. Journal of Developmental and Physical Disabilities. ISSN 1056-263X. doi: 10.1007/s10882-021-09816-7. Fulltekst i vitenarkiv
  • Fjermestad, Krister Westlye; Ditlefsen, Nina; Unsvåg, Marie H.; Öst, Lars Gøran; Havik, Odd E. & Wergeland, Gro Janne Henningsen (2021). Exposure Quality in Cognitive Behavioral Treatment for Youth Anxiety Disorders—Predictors and Associations with Outcomes. Journal of Child and Family Studies. ISSN 1062-1024. 31, s. 1–13. doi: 10.1007/s10826-021-02188-8. Fulltekst i vitenarkiv
  • Fredriksen, Trude; Vatne, Torun Marie; Haukeland, Yngvild Bjartveit; Tudor, Megan & Fjermestad, Krister Westlye (2021). Siblings of children with chronic disorders: Family and relational factors as predictors of mental health. Journal of Child Health Care. ISSN 1367-4935. doi: 10.1177/13674935211052157. Fulltekst i vitenarkiv
  • Vatne, Torun Marie; Owren, Signe; Wold, Kristin Fjelnseth; Zahl, Erica & Fjermestad, Krister (2021). Youth and clinician evaluation of emotional communication in short-term counseling groups. Group Dynamics. ISSN 1089-2699. doi: 10.1037/gdn0000147. Fulltekst i vitenarkiv
  • Orm, Stian; Vatne, Torun Marie; Haukeland, Yngvild; Silverman, Wendy K. & Fjermestad, Krister (2021). The validity of a measure of adjustment in siblings of children with developmental and physical disabilities: a brief report. Developmental Neurorehabilitation. ISSN 1751-8423. 24(5), s. 355–358. doi: 10.1080/17518423.2020.1869338. Fulltekst i vitenarkiv
  • Orm, Stian; Haukeland, Yngvild Bjartveit; Vatne, Torun & Fjermestad, Krister (2021). Measuring family communication in pediatric nursing: Psychometric properties of the Parent-Child Communication Scale – Child Report (PCCS-CR). Journal of Pediatric Nursing : Nursing Care of Children and Families. ISSN 0882-5963. 62, s. 78–83. doi: 10.1016/j.pedn.2021.10.022. Fulltekst i vitenarkiv
  • Husabo, Elisabeth; Haugland, Bente Storm Mowatt; McLeod, Bryce D.; Baste, Valborg; Håland, Åshild Tellefsen & Bjåstad, Jon Fauskanger [Vis alle 12 forfattere av denne artikkelen] (2021). Treatment Fidelity in Brief Versus Standard-Length School-Based Interventions for Youth with Anxiety. School Mental Health. ISSN 1866-2625. 14(1), s. 62–62. doi: 10.1007/s12310-021-09458-2. Fulltekst i vitenarkiv
  • Fjermestad, Krister; Kanavin, Øivind J.; Hoxmark, Lise Beate & Nyhus, Livø (2020). Health service experiences among adults with hereditary spastic paraparesis or neurofibromatosis type 1. Molecular Genetics & Genomic Medicine. ISSN 2324-9269. 8, s. e1399–e1399. doi: 10.1002/mgg3.1399. Fulltekst i vitenarkiv
  • Fjermestad, Krister; Huster, Rene; Thunberg, Christina; Stokke, Simen; Gravholt, Claus H & Solbakk, Anne-Kristin (2020). Neuropsychological functions, sleep, and mental health in adults with Klinefelter syndrome. American Journal of Medical Genetics. Part C, Seminars in Medical Genetics (AJMG). ISSN 1552-4868. 184C, s. 482–492. doi: 10.1002/ajmg.c.31797. Fulltekst i vitenarkiv
  • Fjermestad, Krister; Lium, Christina; Heiervang, Einar; Havik, Odd E.; Haugland, Bente Storm Mowatt & Bjelland, Ingvar [Vis alle 7 forfattere av denne artikkelen] (2020). Parental internalizing symptoms as predictors of anxiety symptoms in clinic-referred children. Scandinavian Journal of Child and Adolescent Psychiatry and Psychology. 8, s. 18–24. doi: 10.21307/sjcapp-2020-003. Fulltekst i vitenarkiv
  • Fjermestad, Krister; Anthonisen, Ingvild; Haugland, Bente Storm Mowatt; Kodal, Arne; Bjåstad, Jon Fauskanger & Wergeland, Gro Janne (2020). Sammen­hengen mellom behandlings­fornøydhet og effekt av kognitiv atferds­terapi. Tidsskrift for Norsk psykologforening (Psykologtidsskriftet). ISSN 0332-6470. Fulltekst i vitenarkiv
  • Haukeland, Yngvild; Czajkowski, Nikolai Olavi; Fjermestad, Krister; Silverman, Wendy K.; Mossige, Svein & Vatne, Torun (2020). Evaluation of “SIBS”, An Intervention for Siblings and Parents of Children with Chronic Disorders. Journal of Child and Family Studies. ISSN 1062-1024. 29. doi: 10.1007/s10826-020-01737-x. Fulltekst i vitenarkiv
  • Fjermestad, Krister; Wergeland, Gro Janne; Rogde, Anja Høye; Bjåstad, Jon Fauskanger; Heiervang, Einar & Haugland, Bente Storm (2020). School-based targeted prevention compared to specialist mental health treatment for youth anxiety. Child and Adolescent Mental Health. ISSN 1475-357X. 25(2), s. 102–109. doi: 10.1111/camh.12366. Fulltekst i vitenarkiv
  • Fjermestad, Krister; Silverman, Wendy K. & Vatne, Torun (2020). Group intervention for siblings and parents of children with chronic disorders (SIBS-RCT): Study protocol for a randomized controlled trial. Trials. 21(1), s. 851–851. doi: 10.1186/s13063-020-04781-6. Fulltekst i vitenarkiv

Se alle arbeider i NVA

  • Nybakken, Gunn; Skogli, Erik Winther; Fjermestad, Krister Westlye & Orm, Stian (2026). Persontilpasset kartlegging av vansker hos barn og unge med autisme. Fulltekst i vitenarkiv
  • Nybakken, Gunn; Orm, Stian; Fredriksen, Trude; Skogli, Erik Winther; Kirchhofer, Solveig Melanie & Vatne, Torun Marie [Vis alle 7 forfattere av denne artikkelen] (2026). The Impact of Children’s Co-Occurring Emotional and Behavioral Problems on Sibling and Parent Psychosocial Functioning. Fulltekst i vitenarkiv
  • Arora, Tarun; Fossmo, Hanne Ludt; Raastad, Truls; Fjermestad, Krister Westlye; Ramberg, Cathrine & Nilsen, Kristian Bernhard [Vis alle 12 forfattere av denne artikkelen] (2025). 314P Personalized training for people with rare neuromuscular disorders (PETRA-NMD): a multi-center randomized controlled clinical trial. Neuromuscular Disorders. ISSN 0960-8966. 53(Supplement, September), s. 75–75. doi: 10.1016/j.nmd.2025.105738. Fulltekst i vitenarkiv
  • Dechsling, Anders; Cipriano, Christina; Børtveit, Line; Fjermestad, Krister Westlye; Karlsen, Ann-Charlott Beatrice Amundsen & Akerbæk, Tore Marius [Vis alle 8 forfattere av denne artikkelen] (2025). Examining the effectiveness of Second Step Early Learning versus free play on socio-emotional learning in kindergarten: a cluster randomized controlled trial protocol. doi: 10.1186/s13063-025-09047-7. Fulltekst i vitenarkiv
  • Prentice, Caitlin Mccombs; Kirchhofer, Solveig Melanie; Vatne, Torun Marie & Fjermestad, Krister Westlye (2025). SIBS-RCT: Improving mental health for siblings of children with chronic disorders. Fulltekst i vitenarkiv
  • Haugen, Ingvild; Gulsrud, Anne Myge; Dyresen, Agnete; Stubberud, Jan Egil; Fjermestad, Krister Westlye & Øie, Merete Glenne (2025). Adolescents with ADHD and their caregivers find Goal Management Training as credible as standard treatment. Fulltekst i vitenarkiv
  • Veerman, Linda K.M.; Orm, Stian; Fjermestad, Krister Westlye; Sterkenburg, Paula S. & Willemen, Agnes M. (2025). Next steps in the development of a sibling adjustment scale: reply to Supianto. International Journal of Developmental Disabilities (IJDD). ISSN 2047-3869. 71(2), s. 205–207. doi: 10.1080/20473869.2025.2456803. Fulltekst i vitenarkiv
  • Gulsrud, Anne Myge; Haugen, Ingvild; Dyresen, Agnete; Westlye, Lars Tjelta; Alnæs, Dag & Fjermestad, Krister Westlye [Vis alle 8 forfattere av denne artikkelen] (2025). iPad-based Assessment of Executive Function and Processing Speed in Adolescents with ADHD. Fulltekst i vitenarkiv
  • Dyresen, Agnete; Fjermestad, Krister Westlye; Kodal, Arne; Orm, Stian; Posserud, Maj-Britt Rocio & Øie, Merete Glenne [Vis alle 7 forfattere av denne artikkelen] (2025). The Role of Externalizing Symptoms on Long-term Treatment Outcomes in Youth with Anxiety Disorders. Fulltekst i vitenarkiv
  • Dyresen, Agnete; Haugen, Ingvild; Gulsrud, Anne Myge; Stubberud, Jan Egil; Fjermestad, Krister Westlye & Øie, Merete Glenne (2025). Adapting Metacognitive Strategy Training for Adolescents with ADHD. Fulltekst i vitenarkiv
  • Dechsling, Anders; Cipriano, Christina; Børtveit, Line; Fjermestad, Krister Westlye; Karlsen, Ann-Charlott Beatrice Amundsen & Akerbæk, Tore Marius [Vis alle 8 forfattere av denne artikkelen] (2025). Examining the Effectiveness of Second-Step Early Learning versus Free Play on Socioemotional Learning in Kindergarten: A Cluster Randomized Controlled Trial Protocol. doi: https:/link.springer.com/article/10.1186/s13063-025-09047-7. Fulltekst i vitenarkiv
  • Øie, Merete Glenne; Haugen, Ingvild; Dyresen, Agnete; Gulsrud, Anne Myge; Stubberud, Jan Egil & Fjermestad, Krister Westlye (2024). Behovet er stort for nye tilnærminger til ADHD-behandling. Debattinlegg. Aftenposten. Fulltekst i vitenarkiv
  • Fjermestad, Krister Westlye (2024). Å være søsken til et barn med cranofacial tilstand. Fulltekst i vitenarkiv
  • Fjermestad, Krister Westlye (2024). Learn key elements in the SIBS intervention for siblings and parents for children with chronic disorders. Fulltekst i vitenarkiv
  • Fjermestad, Krister Westlye & Vatne, Torun Marie (2024). Learn key elements in the SIBS intervention for siblings and parents of children with chronic disorders. Fulltekst i vitenarkiv
  • Orm, Stian; Øie, Merete Glenne; Fossum, Ingrid Nesdal; Fjermestad, Krister Westlye; Andersen, Per Normann & Skogli, Erik Winther (2023). Executive Functioning and Anxiety/Depressive Symptoms as Mediators Between ADHD and Quality of Life: A 10-year Longitudinal Study. Fulltekst i vitenarkiv
  • Fjermestad, Krister Westlye (2023). Learn key elements in the SIBS intervention for siblings and parents of children with chronic disorders. Fulltekst i vitenarkiv
  • Bjåstad, Jon Fauskanger; Gjestad, Rolf; Fjermestad, Krister Westlye; Öst, Lars Gøran; Haugland, Bente Storm Mowatt & Kodal, Arne [Vis alle 8 forfattere av denne artikkelen] (2023). Does adherence, competence and alliance predict long-term outcome in CBT for anxiety disorders in youth. Fulltekst i vitenarkiv
  • Bjåstad, Jon Fauskanger; Öst, Lars Gøran; Wergeland, Gro Janne Henningsen; Fjermestad, Krister Westlye; Kommedal, Christian & Bouchard, S. [Vis alle 7 forfattere av denne artikkelen] (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. Fulltekst i vitenarkiv
  • Kirchhofer, Solveig Melanie; Orm, Stian; Haukeland, Yngvild Bjartveit; Fredriksen, Trude; Wakefield, Claire E. & Fjermestad, Krister Westlye (2022). A systematic review of social support of siblings of children with neurodevelopmental disorders. doi: https:/www-sciencedirect-com.ezproxy.uio.no/science/article/pii/S0891422222000646. Fulltekst i vitenarkiv
  • Orm, Stian; Haukeland, Yngvild; Vatne, Torun Marie & Fjermestad, Krister Westlye (2022). Parent-Sibling Communication and Mental Health in Siblings of Children with Autism Spectrum Disorder Compared with Physical Disabilities. Fulltekst i vitenarkiv
  • Fredriksen, Trude & Fjermestad, Krister Westlye (2021). Gjeommføring av SIBS RCT i spesialisthelsetjenesten - utfordringer og muligheter. Fulltekst i vitenarkiv
  • Fjermestad, Krister Westlye (2021). Søskenprosjektet SIBS. Fulltekst i vitenarkiv
  • Fjermestad, Krister Westlye (2021). Å være foreldre til barn med funksjonsnedsettelse. Fulltekst i vitenarkiv
  • Orm, Stian; Parken, Andrine Krogh; Haukeland, Yngvild; Mossige, Svein; Fjermestad, Krister & Vatne, Torun (2020). Siblings' Experience of Violence from Their Brother or Sister with a Neurodevelopmental Disorder. Fulltekst i vitenarkiv
  • Orm, Stian & Fjermestad, Krister (2020). Prosocial Behavior in Siblings of Children with Autism Spectrum Disorder: A Case-Control Study. Universitetet i Oslo. Fulltekst i vitenarkiv

Se alle arbeider i NVA

Publisert 23. feb. 2016 13:42 - Sist endret 18. sep. 2024 15:17