2026

• Fagerbakk, Steffen André; Brattland, Heidi; Lindberg, Martin Schevik; Mcaleavey, Andrew Athan; Ryum, Truls. (2026) Improving interpersonal skills in therapists: A waitlist-controlled trial of facilitative interpersonal and relational skills training. Psychotherapy Research
  Academic article
• Fagerbakk, Steffen André; Brattland, Heidi; Laugen, Nina Jakhelln; Holgersen, Katrine Høyer; Vogel, Patrick A.; Ryum, Truls. (2026) Developing facilitative interpersonal skills: A randomized controlled study of an apprenticeship training for first-year clinical psychology students. Psychotherapy Research
  Academic article

2025

• Ryum, Truls; Fagerbakk, Steffen André; Brattland, Heidi. (2025) Terapeutkompetanse og personlige egenskaper.
  Non-fiction chapter
• Nerdal, Vilde Kristine; Gjestad, Elise Ødegård; Saltvedt, Ingvild Tina; Munthe-Kaas, Ragnhild; Ihle-Hansen, Hege Beate; Ryum, Truls; Lydersen, Stian; Grambaite, Ramune. (2025) Erratum: Correction: The relationship of acute delirium with cognitive and psychiatric symptoms after stroke: a longitudinal study (BMC neurology (2022) 22 1 DOI: 10.1186/s12883-022-02756-5.). BMC Neurology
  Corrigendum
• Ryum, Truls; Halvorsen, Joar Øveraas. (2025) Psykoterapiforskning.
  Academic chapter
• Holgersen, Katrine Høyer; Laugen, Nina Jakhelln; Grøtte, Torun; Brattland, Heidi; Vogel, Patrick A.; Selnes, Marit; Ryum, Truls. (2025) “It’s incredibly fun”: Psychotherapists’ perspectives on participating in a pilot study of an apprenticeship model for training psychology students. Clinical Supervisor
  Academic article

2024

• Laugen, Nina Jakhelln; Grøtte, Torun; Ryum, Truls; Vogel, Patrick A.; Brattland, Heidi; Holgersen, Katrine Høyer. (2024) Something has sort of opened up for me: psychology students’ reflections after participating in an apprenticeship training model. Research in Psychotherapy: Psychopathology, Process and Outcome
  Academic article
• Ryum, Truls; Kazantzis, Nikolaos. (2024) Between-Session Homework in Clinical Training and Practice: A Transtheoretical Perspective. Clinical Psychology in Europe
  Academic literature review
• Ryum, Truls; Kazantzis, Nikolaos. (2024) Elucidating the process-based emphasis in cognitive behavioral therapy. Journal of Contextual Behavioral Science
  Academic article
• Raanes, Emilie Fikse Walle; Ryum, Truls; Stiles, Tore Charles. (2024) Psychometric Evaluation of the Emotion Beliefs Questionnaire – Norwegian Version (EBQ-N) Measuring Beliefs About the Controllability and Usefulness of Emotions. Psychological Test Adaptation and Development (PTAD)
  Academic article
• Gjestad, Elise Ødegård; Nerdal, Vilde Kristine; Saltvedt, Ingvild Tina; Lydersen, Stian; Kliem, Elisabeth; Ryum, Truls; Grambaite, Ramune. (2024) Delirium in acute stroke is associated with increased cognitive and psychiatric symptoms over time: The Nor-COAST study. Journal of Stroke & Cerebrovascular Diseases
  Academic article

2023

• Ryum, Truls; Bennion, Mia; Kazantzis, Nikolaos. (2023) Homework as a driver of change in psychotherapy. Journal of Clinical Psychology
  Academic article
• Ryum, Truls; Bennion, Mia; Kazantzis, Nikolaos. (2023) Integrating Between-Session Homework.
  Academic chapter
• Ryum, Truls; Bennion, Mia; Kazantzis, Nikolaos. (2023) Between-session homework and processes of change. Journal of Clinical Psychology
  Professional article
• Ryum, Truls; Stiles, Tore Charles. (2023) Changes in pain catastrophizing, fear-avoidance beliefs, and pain self-efficacy mediate changes in pain intensity on disability in the treatment of chronic low back pain. Pain Reports
  Academic article
• Ryum, Truls; Bennion, Mia; Kazantzis, Nikolaos. (2023) Integrating Between-Session Homework in Psychotherapy: A Systematic Review of Immediate In-Session and Intermediate Outcomes. Psychotherapy
  Academic literature review

2022

• Nerdal, Vilde Kristine; Gjestad, Elise Ødegård; Saltvedt, Ingvild; Munthe-Kaas, Ragnhild; Ihle-Hansen, Hege; Ryum, Truls; Lydersen, Stian; Grambaite, Ramune. (2022) The relationship of acute delirium with cognitive and psychiatric symptoms after stroke: a longitudinal study. BMC Neurology
  Academic article
• Brattland, Heidi; Holgersen, Katrine Høyer; Vogel, Patrick A.; Anderson, Timothy; Ryum, Truls. (2022) An apprenticeship model in the training of psychotherapy students. Study protocol for a randomized controlled trial and qualitative investigation. PLOS ONE
  Academic article
• Kennair, Leif Edward Ottesen; Hagen, Roger; Hjemdal, Odin; Havnen, Audun; Ryum, Truls; Solem, Stian. (2022) Depression, Anxiety, Insomnia, and Quality of Life in a Representative Community Sample of Older Adults Living at Home. Frontiers in Psychology
  Academic article

2021

• Kliem, Elisabeth; Gjestad, Elise Ødegård; Ryum, Truls; Olsen, Alexander; Thommessen, Bente; Indredavik, Bent; Bieliauskas, Linas; Due-Tønnessen, Paulina; Fladby, Tormod; Grambaite, Ramune. (2021) The Relationship of Psychiatric Symptoms with Performance-Based and Self-Reported Cognitive Function After Ischemic Stroke. Journal of the International Neuropsychological Society
  Academic article
• Ryum, Truls; Nordnes, Anne Martha Holmvåg; Brattland, Heidi; Holgersen, Katrine Høyer; Anderson, Timothy; Vogel, Patrick A.. (2021) En norsk pilotstudie av ferdighetstesten fasiliterende interpersonlige ferdigheter. Tidsskrift for Norsk psykologforening (Psykologtidsskriftet)
  Academic article
• Ryum, Truls; Svartberg, Martin; Stiles, Tore C. (2021) Homework Assignments, Agenda Setting and the Therapeutic Alliance in Cognitive Therapy with Cluster C Personality Disorders: Synergetic or Antagonistic Ingredients?. Cognitive Therapy and Research
  Academic article

2020

• Ryum, Truls; Hartmann, Helge Moritz; Borchgrevink, Petter Chr.; De Ridder, Karin; Stiles, Tore C. (2020) The effect of in-session exposure in Fear-Avoidance treatment of chronic low back pain: A randomized controlled trial. European Journal of Pain
  Academic article
• 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
  Academic article

2019

• Brattland, Heidi; Koksvik, John Morten; Burkeland, Olav; Kløckner, Christian; Lara Cabrera, Mariela Loreto; Miller, Scott D.; Wampold, Bruce E.; Ryum, Truls; Iversen, Valentina Cabral. (2019) Does the working alliance mediate the effect of routine outcome monitoring (ROM) and alliance feedback on psychotherapy outcomes? A secondary analysis from a randomized clinical trial. Journal of Counseling Psychology
  Academic article
• Ryum, Truls; Jacobsen, Henrik Børsting; Borchgrevink, Petter Chr.; Landrø, Nils Inge; Stiles, Tore C. (2019) Interpersonal problems as a predictor of pain catastrophizing in patients with chronic pain. Scandinavian Journal of Pain
  Academic article

2018

• Brattland, Heidi; Koksvik, John Morten; Burkeland, Olav; Gråwe, Rolf W.; Kløckner, Christian; Linaker, Olav Morten; Ryum, Truls; Wampold, Bruce E.; Lara Cabrera, Mariela Loreto; Iversen, Valentina Cabral. (2018) The effects of routine outcome monitoring (ROM) on therapy outcomes in the course of an implementation process: A randomized clinical trial. Journal of Counseling Psychology
  Academic article
• Brattland, Heidi; Iversen, Valentina Cabral; Ryum, Truls. (2018) For whom, when, and how does Routine Outcome Monitoring (ROM) improve psychotherapy outcomes? A randomized clinical trial and a qualitative study at a hospital mental health center. Norges teknisk-naturvitenskapelige universitet
  Doctoral thesis

2017

• Lohne, Jardar; Drevland, Frode; Åsgård, Tina; Hoven, Tore; Lædre, Ola; Ryum, Truls. (2017) Homines Oeconomici or Moral Saints? On the Purpose of Educating Civil Engineers.
  Academic chapter
• 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
  Academic article

2016

• Hjemdal, Odin; Hagen, Roger; Solem, Stian; Nordahl, Henrik; Kennair, Leif Edward Ottesen; Ryum, Truls; Nordahl, Hans Morten; Wells, Adrian. (2016) Metacognitive Therapy in Major Depression: An Open Trial of Comorbid Cases. Cognitive and Behavioral Practice
  Academic article
• Ryum, Truls. (2016) Personlighetsforstyrrelser.
  Academic chapter
• Ryum, Truls; Vogel, Patrick A.; Hjemdal, Odin. (2016) Utredning og diagnostikk.
  Academic chapter

2015

• Valen, Jakob Støre-; Ryum, Truls; Pedersen, Geir Feigum; Pripp, Are Hugo; Jose, P.E.; Karterud, Sigmund. (2015) Does a web-based feedback training program result in improved reliability in clinicians' rating of the global assessment of functioning (GAF) scale?. Psychological Assessment
  Academic article
• Berge, Torkil; Repål, Arne; Ryum, Truls; Samoilow, Dimitrij Kielland. (2015) Behandlingsalliansen i kognitiv terapi.
  Academic chapter
• Ryum, Truls. (2015) Humanisitisk-eksistensiell personlighetspsykologi.
  Academic chapter

2014

• Ryum, Truls; Valen, Jakob; Svartberg, Martin; Stiles, Tore C; McCullough, Leigh. (2014) Factor analysis of the Achievement of Therapeutic Objectives Scale: (ATOS) in short-term dynamic psychotherapy and cognitive therapy. Psychological Assessment
  Academic article
• Ryum, Truls; Vogel, Patrick A.; Walderhaug, Eirik Paulsen; Stiles, Tore C. (2014) The role of self-image as a predictor of psychotherapy outcome. Scandinavian Journal of Psychology
  Academic article
• Ryum, Truls. (2014) Terapeutkompetanse og personlige egenskaper.
  Academic chapter
• Hjemdal, Odin; Hagen, Roger; Nordahl, Henrik; Solem, Stian; Kennair, Leif Edward Ottesen; Ryum, Truls; Wells, Adrian; Nordahl, Hans Morten. (2014) Comorbid Depressive Disorders: An Open Trial Using MCT. EABCT 2014 - Programme
  Conference abstract
• Hagen, Roger; Hjemdal, Odin; Kennair, Leif Edward Ottesen; Solem, Stian; Ryum, Truls; Wells, Adrian; Nordahl, Hans Morten. (2014) Understanding Depressive Symptoms in a Metacognitive Perspective. Could Mediation Analyses of Positive and Negative Metabeliefs Support the Theoretical Foundation of MCT?. EABCT 2014 - Programme
  Conference abstract
• Ryum, Truls; Halvorsen, Joar Øveraas. (2014) Psykoterapiforskning.
  Academic chapter

2012

• Ryum, Truls. (2012) Bruk av overføringstolkning i psykologisk behandling. Psykologisk tidsskrift
  Academic article
• Ryum, Truls; Valen, Jakob. (2012) Psykodynamisk psykoterapi ved NTNU – contradictio in terminis?. Impuls : Tidsskrift for psykologi
  Academic article

2011

• Valen, Jakob; Ryum, Truls; Svartberg, Martin; Stiles, Tore C; McCullough, Leigh. (2011) The Achievement of Therapeutic Objectives Scale: Interrater reliability and sensitivity to change in short-term dynamic psychotherapy and cognitive therapy. Psychological Assessment
  Academic article

2010

• Ryum, Truls; Stiles, Tore C; Svartberg, Martin; McCullough, Leigh. (2010) The Effects of Therapist Competence in Assigning Homework in Cognitive Therapy With Cluster C Personality Disorders: Results From a Randomized Controlled Trial. Cognitive and Behavioral Practice
  Academic article
• Ryum, Truls; Stiles, Tore C; Svartberg, Martin; McCullough, Leigh. (2010) The role of transference work, the therapeutic alliance, and their interaction in reducing interpersonal problems among psychotherapy patients with Cluster C personality disorders. Psychotherapy
  Academic article

2009

• Ryum, Truls; Hagen, Roger; Nordahl, Hans Morten; Vogel, Patrick A.; Stiles, Tore C. (2009) Perceived group climate as a predictor of long-term outcome in a randomized controlled trial of cognitive-behavioural group therapy for patients with comorbid psychiatric disorders. Behavioural and Cognitive Psychotherapy
  Academic article
• Ryum, Truls. (2009) World conference for psychotherapy 2008: reisebrev fra Beijing. PT (Psykologisk Tidsskrift)
  Professional article
• Ryum, Truls; Stiles, Tore C; Vogel, Patrick A.. (2009) Kvaliteten på tidlig terapeutisk allianse som prediktor for behandlingseffekt ved depresjon og angst. Tidsskrift for Norsk psykologforening (Psykologtidsskriftet)
  Academic article

2008

• Ryum, Truls; Vogel, Patrick A.; Hagen, Roger; Stiles, Tore C. (2008) Memories of early attachment: The use of PBI as a predictor of psychotherapy outcome in Pesso-Boyden System Psychomotor (PBSP) group therapy, Cognitive-Behavioral Group Therapy (CBGT), Individual Cognitive-Behavioral Therapy (CBT) and Individual Treatment as Usual (TAU) with adult out-patients. Clinical Psychology and Psychotherapy
  Academic article
• Ryum, Truls; Berge, Torkil; Repål, Arne; samoilow, Dimitrij Kielland. (2008) Behandlingsallianse i kognitiv terapi.
  Academic chapter
• Ryum, Truls. (2008) Over bekken etter vann: reisebrev fra Dulwich Center i Australia. Psykologisk tidsskrift
  Professional article
• Ryum, Truls. (2008) G-krefter i psykoterapi. Psykologisk tidsskrift
  Professional article

2007

• Ryum, Truls; Stiles, Tore C; Vogel, Patrick A.. (2007) Effektivitet ved psykoterapeutisk behandling gjort av viderekomne studenter. Tidsskrift for Norsk psykologforening (Psykologtidsskriftet)
  Academic article
• Ryum, Truls. (2007) Gilbert & Leahy (2007): The therapeutic relationship in the cognitive behavioral therapies. Tidsskrift for Norsk psykologforening (Psykologtidsskriftet)
  Book review

2006

• Ryum, Truls. (2006) Orlinsky, D. E. & Rønnestad, M. H. (2006): How therapists develop - a study of therapeutic work and professional growth. Tidsskrift for Norsk psykologforening (Psykologtidsskriftet)
  Book review
• Ryum, Truls. (2006) Thore Langfeldt: Erotikk og fundamentalisme - fra Mesopotamia til kvinnefronten. Tidsskrift for Norsk psykologforening (Psykologtidsskriftet)
  Book review
• Ryum, Truls. (2006) Rolf Aarøe: Overvinn din depresjon - en selvhjelpsbok. Tidsskrift for Norsk psykologforening (Psykologtidsskriftet)
  Book review

2005

• Bjørkli, Cato; Flø, Marianne; Jenssen, Gunnar d.; Ryum, Truls; Zeiner, Pål. (2005) Assessment of fitness-to-drive amongst patients with learning difficulties. Sintef Teknologi og ledelse
  Research report
• Ryum, Truls. (2005) The heart and soul of change - en passiar med Barry L. Duncan og Scott D. Miller. Impuls : Tidsskrift for psykologi
  Popular science article
• Vinsrygg, Gudrun; Ryum, Truls. (2005) Trikotillomani - trangen til å rive ut hår. Psykolog og forskningsstipendiat Truls Ryum intervjuet av Gudrun Vinsrygg. Helsenytt for alle
  Popular science article
• Ryum, Truls. (2005) Irvin D. Yalom: The Schopenhauer cure. Bokomtale. Impuls : Tidsskrift for psykologi
  Book review
• Ryum, Truls; Stiles, Tore C. (2005) Betydningen av den terapeutiske allianse: En studie av alliansens prediktive validitet. Tidsskrift for Norsk psykologforening (Psykologtidsskriftet)
  Academic article

2004

• Ryum, Truls. (2004) På avvisningens grunn. Psykologisk tidsskrift
  Popular science article
• Ryum, Truls. (2004) Sukkerunger. Psykologisk tidsskrift
  Popular science article
• Ryum, Truls. (2004) "The heart and soul of change 2": En ny psykoterapipraksis for et nytt millennium?. Psykologisk tidsskrift
  Popular science article
• Ryum, Truls. (2004) Lykketyvene - Hvordan overkomme depresjon (Torkil Berge og Arne Repål). Psykologisk tidsskrift
  Book review

2003

• Ryum, Truls. (2003) Schizofreni. Psykologisk tidsskrift
  Popular science article
• Ryum, Truls. (2003) Selvskading: Ikke så galt at det ikke er godt for noe?. Psykologisk tidsskrift
  Popular science article
• Ryum, Truls. (2003) Balladen om glemselens triste fallitt. Psykologisk tidsskrift
  Popular science article

2002

• Ryum, Truls. (2002) Trikotillomani: Hår til besvær. Psykologisk tidsskrift
  Popular science article
• Ryum, Truls. (2002) Angst - Nedstemthetens halvbror. Psykologisk tidsskrift
  Popular science article

2001

• Ryum, Truls. (2001) Å være hva man ikke er. Psykologisk tidsskrift
  Popular science article
• Ryum, Truls. (2001) Selvet i endring. Psykologisk tidsskrift
  Popular science article
• Ryum, Truls. (2001) Betydningen av teraputisk allianse for effekt av psykoterapautisk behandling gjort av viderekommende studenter: En pilotstudie. Psykologisk institutt
  Master thesis

2000

• Ryum, Truls. (2000) Terapautisk allianse: et minste felles multiplum?. Psykologisk tidsskrift
  Popular science article
• Ryum, Truls. (2000) Nietzsche og psykologien. Psykologisk tidsskrift
  Popular science article
• Ryum, Truls. (2000) Komparativt prosess- og utfallsstudie av psykoterapeutisk behandling gjort av erfarne terapeuter og studenter. Sommerstipend fra Norsk Forskningsråd/ Psykologisk institutt. Upublisert
  Research report