Journal publications

• Berge, Erik Eng; Hagen, Roger; Halvorsen, Joar Øveraas. (2020) PTSD relapse in Veterans of Iraq and Afghanistan: A systematic review. Military Psychology.
• Berge, Erik; Hagen, Roger; Halvorsen, Joar Øveraas. (2020) PTSD relapse in Veterans of Iraq and Afghanistan: A systematic review. Military Psychology.
• Brænden, Astrid; Myhrer, Mari; Hagen, Roger; Solem, Stian. (2020) En kvalitativ undersøkelse av metakognisjon og strategier ved bekymring hos barn på 7 og 8 år. Tidsskrift for kognitiv terapi.
• Foldal, Vegard; Standal, Martin Inge; Aasdahl, Lene; Hagen, Roger; Bagøien, Gunnhild; Fors, Egil Andreas; Johnsen, Roar; Solbjør, Marit. (2020) Sick-listed workers’ experiences with motivational interviewing in the return to work process: a qualitative interview study. BMC Public Health. vol. 20 (276).
• Hagen, Roger; Havnen, Audun; Hjemdal, Odin; Kennair, Leif Edward Ottesen; Ryum, Truls; Solem, Stian. (2020) Protective and vulnerability factors in self-esteem: The role of metacognitions, brooding, and resilience. Frontiers in Psychology.
• Janssen, Arne Garvik; Kennair, Leif Edward Ottesen; Hagen, Roger; Hjemdal, Odin; Havnen, Audun; Solem, Stian. (2020) Positive and negative metacognitions about alcohol: Validity of the Norwegian PAMS and NAMS. Addictive Behaviours. vol. 108 (106466).
• Standal, Martin Inge; Aasdahl, Lene; Jensen, Chris; Foldal, Vegard; Hagen, Roger; Fors, Egil Andreas; Solbjør, Marit; Hjemdal, Odin; Grotle, Margreth; Meisingset, Ingebrigt. (2020) Subgroups of long-term sick-listed based on prognostic return to work factors across diagnoses – A cross-sectional latent class analysis. Journal of occupational rehabilitation.
• Hjemdal, Odin; Solem, Stian; Hagen, Roger; Kennair, Leif Edward Ottesen; Nordahl, Hans Morten; Wells, Adrian. (2019) A Randomized Controlled Trial of Metacognitive Therapy for Depression: Analysis of 1-Year Follow-Up. Frontiers in Psychology. vol. 10.
• Nordahl, Henrik; Hjemdal, Odin; Hagen, Roger; Nordahl, Hans Morten; Wells, Adrian. (2019) What lies beneath trait-anxiety? Testing the Self-Regulatory Executive Function Model of vulnerability. Frontiers in Psychology. vol. 10:122.
• Solem, Stian; Kennair, Leif Edward Ottesen; Hagen, Roger; Havnen, Audun; Nordahl, Hans Morten; Wells, Adrian; Hjemdal, Odin. (2019) Metacognitive therapy for depression: A 3-year follow-up study assessing recovery, relapse, work force participation, and quality of life. Frontiers in Psychology. vol. 10.
• Aasdahl, Lene; Foldal, Vegard Stolsmo; Standal, Martin Inge; Hagen, Roger; Johnsen, Roar; Solbjør, Marit; Fimland, Marius Steiro; Fossen, Heidi; Jensen, Chris; Bagøien, Gunnhild; Halsteinli, Vidar; Fors, Egil Andreas. (2018) Motivational interviewing in long-term sickness absence: study protocol of a randomized controlled trial followed by qualitative and economic studies. BMC Public Health. vol. 18 (756).
• Kaasbøll, Charlotte; Hagen, Roger; Gråwe, Rolf W.. (2018) Population-based associations among cannabis use, anxiety, and depression in Norwegian adolescents. Journal of Child & Adolescent Substance Abuse. vol. 27 (4).
• Nordahl, Hans Morten; Borkovec, Thomas D; Hagen, Roger; Kennair, Leif Edward Ottesen; Hjemdal, Odin; Solem, Stian; Hansen, Bjarne; Haseth, Svein; Wells, Adrian. (2018) Metacognitive therapy versus cognitive–behavioural therapy in adults with generalised anxiety disorder. BJPsych Open. vol. 4 (5).
• Solem, Stian; Hagen, Roger; Kennair, Leif Edward Ottesen; Hjemdal, Odin. (2018) Kognitiv atferdsbehandling av generalisert angstlidelse og depresjon hos eldre: På tide å teste ut nye metoder?. Tidsskrift for Norsk Psykologforening. vol. 55 (11).
• Strand, Eivind Bergem; Hagen, Roger; Hjemdal, Odin; Kennair, Leif Edward Ottesen; Solem, Stian. (2018) Metacognitive Therapy for Depression Reduces Interpersonal Problems: Results From a Randomized Controlled Trial. Frontiers in Psychology. vol. 9.
• Hagen, Kristen; Solem, Stian; Opstad, Håvard Berg; Hansen, Bjarne; Hagen, Roger. (2017) The role of metacognition and obsessive-compulsive symptoms in psychosis: An analogue study. BMC Psychiatry. vol. 17:233.
• Hagen, Roger; Hjemdal, Odin; Solem, Stian; Kennair, Leif Edward Ottesen; Nordahl, Hans Morten; Fisher, Peter; Wells, Adrian. (2017) Metacognitive therapy for depression in adults: A waiting list randomized controlled trial with six months follow-up. Frontiers in Psychology. vol. 8.
• Hjemdal, Odin; Hagen, Roger; Solem, Stian; Nordahl, Henrik; Kennair, Leif Edward Ottesen; Ryum, Truls; Nordahl, Hans Morten; Wells, Adrian. (2017) Metacognitive Therapy in Major Depression: An Open Trial of Comorbid Cases. Cognitive and Behavioral Practice. vol. 24 (3).
• Neumer, Simon-Peter; Costache, Alexandra-Maria; Hagen, Roger. (2017) Effekten av indikerte tiltak for forebygging av angst og depresjon hos barn og unge: en systematisk litteraturgjennomgang. Tidsskrift for Norsk Psykologforening. vol. 54 (11).
• Ryum, Truls; Kennair, Leif Edward Ottesen; Hjemdal, Odin; Hagen, Roger; Halvorsen, Joar Øveraas; Solem, Stian. (2017) Worry and Metacognitions as Predictors of Anxiety Symptoms: A Prospective Study. Frontiers in Psychology. vol. 8 (924).