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Espen Røysamb

Professor
Image of Espen  Røysamb
Phone +47 22 84 51 28
Room V04-05
Username
Visiting address Psykologisk institutt Forskningsveien 3A 0373 Oslo
Postal address Psykologisk institutt Postboks 1094 Blindern 0317 Oslo

Academic Interests

  • Subjective well-being, quality of life, positive psychology
  • Heritability, genetic and environmental factors, twin studies
  • Psychometrics, methodology, statistics, structural equation modeling
  • Personality traits, mental health, personality disorders

Teaching

  • Personality psychology, genetics, well-being, psychometrics, tests, methodology

Higher education and employment history

  • Cand Psychol, 1991, University of Oslo
  • PhD, 1997, University of Oslo
  • Visiting researcher at University of Michigan (1996), Birzeit University (1999), and Virginia Commonwealth University (2001)
  • Current positions: Professor of personality psychology at the University of Oslo, and senior researcher at the Norwegian Institute of Public Health

Awards

  • H.M. the King’s Gold Medal for dissertation
  • APA’s ‘Award for research excellence’
  • Best Annual Paper Award, JoHS
  • PSI Dissemination Award

Appointments

  • Head of Research, PSI 

Cooperation

  • Norwegian Institute of Public Health
  • University of Tromsø
  • Virginia Institute of Psychiatric and Behavior Genetics
Tags: Personality psychology, wellbeing, genetics, PROMENTA

Publications

  • Vira, Emily Gabriela; Bjørndal, Ludvig Daae; Kjøbli, John; Røysamb, Espen; Helland, Siri Saugestad & Nes, Ragnhild Bang (2026). Automatic emotional responses as a transdiagnostic risk and emotional control as a protective factor for adolescent psychopathology: a network analysis. Scientific Reports. doi: 10.1038/s41598-026-60118-4. Full text in Research Archive
  • Eilertsen, Maja; Czajkowski, Nikolai Olavi; Omsland, Tone Kristin; Røysamb, Espen & Nes, Ragnhild Bang (2026). Wellbeing, mastery and work participation: Effects of the Five Ways to Wellbeing course—a randomized controlled trial. Scandinavian Journal of Public Health. ISSN 1403-4948. doi: 10.1177/14034948261479465. Full text in Research Archive
  • Edvoll, Maud Clemson; Poornikoo, Mehdi; Klomstén, Anne Torhild; Sundgot-Borgen, Christine; Ystrom, Eivind & Røysamb, Espen [Show all 11 contributors for this article] (2026). OSF Embargoed Preregistrering; A Norwegian School Reform: The Effects of ‘Health and Life Skills’ for the Socioemotional School Climate. Open Science Framework (OSF). doi: https:/osf.io/tfrqu/overview. Full text in Research Archive
  • Liu, Jinrui; Vittersø, Joar; Teulings, Irene Johanna Elisabeth; Nes, Ragnhild Bang; Mayerhofer, Lilian Juliane Kozlowski & Røysamb, Espen (2026). Jingle all the way? Pleasant and energized positive affect show differential longitudinal relationships with life satisfaction and personality. Journal of Positive Psychology. ISSN 1743-9760. doi: 10.1080/17439760.2026.2701098. Full text in Research Archive
  • Prydz, Monica Beer; Røysamb, Espen; Czajkowski, Nikolai Olavi & Nes, Ragnhild Bang (2026). The Digital Five Ways to Wellbeing Intervention: Long-Term Change in Life Satisfaction. Applied Research in Quality of Life. ISSN 1871-2584. doi: 10.1007/s11482-026-10628-0. Full text in Research Archive
  • Edvoll, Maud Clemson; Folstad, Siri Hausland; Eftedal, Nikolai Haahjem; Poornikoo, Mehdi; Fang, Yuan & Ystrøm, Eivind [Show all 11 contributors for this article] (2026). A Norwegian curriculum reform: Effects for 10th graders’ academic performance. Studies in Educational Evaluation. ISSN 0191-491X. 89. doi: 10.1016/j.stueduc.2026.101616. Full text in Research Archive
  • Liu, Jinrui; Nes, Ragnhild Bang; Vittersø, Joar; Teulings, Irene Johanna Elisabeth & Røysamb, Espen (2026). Positively Negative: Why Negative Affect is Linked to Higher Wellbeing. Journal of Happiness Studies. ISSN 1389-4978. 27(5). doi: 10.1007/s10902-026-01040-4. Full text in Research Archive
  • Chegeni, Razieh; Nes, Ragnhild Bang; Cheesman, Rosa Catherine Gillespie; Ayorech, Ziada; Ystrøm, Eivind & Røysamb, Espen (2026). Direct and indirect parental genetic effects on offspring susceptibility to internalizing problems across development. Nature Mental Health. 4, p. 754–765. doi: 10.1038/s44220-026-00619-3. Full text in Research Archive
  • Eilertsen, Maja; Czajkowski, Nikolai Olavi; Røysamb, Espen; Omsland, Tone Kristin; Prydz, Monica Beer & Blom, Ellen Eimhjellen [Show all 7 contributors for this article] (2026). Changes in Wellbeing, Social Connection, and Health following Participation in the Five Ways to Wellbeing Course: A Non-Randomized, Longitudinal, Quasi-Experimental Study in Help-Seeking Participants. International Journal of Applied Positive Psychology. ISSN 2364-5040. 11. doi: 10.1007/s41042-025-00271-9. Full text in Research Archive
  • Teulings, Irene Johanna Elisabeth; Deserno, Marie K.; Liu, Jinrui; Nes, Ragnhild Bang; Røysamb, Espen & Vittersø, Joar [Show all 7 contributors for this article] (2026). Beyond the borders of wellbeing: network analyses reveal the fuzzy boundaries between wellbeing domains. Journal of Positive Psychology. ISSN 1743-9760. doi: 10.1080/17439760.2026.2651077. Full text in Research Archive
  • Borren, Ingrid; Fruyt, Filip De; Bølstad, Evalill; Torvik, Fartein Ask; Røysamb, Espen & Gustavson, Kristin (2026). Development of Negative Emotionality in Mothers Across 18 Years: Does Relationship Breakup Matter? Journal of Personality. ISSN 0022-3506. p. 1–14. doi: 10.1111/jopy.70064. Full text in Research Archive
  • Johannessen, Pia Myklebust; Madsen, Christian; Hart, Rannveig Kaldager; Lund, Ingunn Olea; Pettersen, Johanne Hagen & Gustavson, Kristin [Show all 10 contributors for this article] (2026). Protective factors for maternal mental health and life satisfaction during the COVID-19 pandemic: a longitudinal analysis. BMJ Open. 16(1), p. 1–11. doi: 10.1136/bmjopen-2025-110204. Full text in Research Archive
  • Eftedal, Nikolai Haahjem; Kleppestø, Thomas Haarklau; Czajkowski, Nikolai Olavi; Eilertsen, Espen Moen; Røysamb, Espen & Vassend, Olav Mandt [Show all 8 contributors for this article] (2026). The Relationship Between Educational Attainment and Right-Wing Authoritarianism: A Discordant Twin Study. Personality and Social Psychology Bulletin. ISSN 0146-1672. doi: 10.1177/01461672251407779. Full text in Research Archive
  • Chegeni, Razieh; Nes, Ragnhild Bang; Cheesman, Rosa Catherine Gillespie; Ayorech, Ziada Ng'ombo Laurel; Ystrøm, Eivind & Røysamb, Espen (2026). Parental direct and indirect genetic effects on offsprings’ internalizing problems across development. Nature Mental Health. doi: https:/www.researchsquare.com/article/rs-6862539/v1. Full text in Research Archive
  • Okvitawanli, Ayu; Gajewska, Olga; Joshanloo, Mohsen; Vignoles, Vivian L.; Yeung, Victoria Wai Lan & Górski, Maciej R. [Show all 99 contributors for this article] (2025). Love beyond east and west: How cultural models of selfhood predict frequency of being in love. International Journal of Intercultural Relations. ISSN 0147-1767. 108. doi: 10.1016/j.ijintrel.2025.102233. Full text in Research Archive
  • Hofgaard, Live Skow; Nes, Ragnhild Bang; Vassend, Olav Mandt; Ayorech, Ziada; Czajkowski, Nikolai Olavi & Røysamb, Espen (2025). Mental illbeing and wellbeing are influenced by recent adverse life events. Evidence from a longitudinal twin study. Current Psychology. ISSN 1046-1310. 44, p. 8723–8735. doi: 10.1007/s12144-025-07758-3. Full text in Research Archive
  • Solhaug, Anne Kristine Nilsen; Oppedal, Brit & Røysamb, Espen (2025). Life Satisfaction, Self-Efficacy, and Depressive Symptoms Among Unaccompanied Asylum-Seeking and Refugee Minors: An Exploratory Study. Adversity and Resilience Science (ARS). ISSN 2662-2424. 6(2), p. 139–154. doi: 10.1007/s42844-025-00169-0. Full text in Research Archive
  • Tamnes, Christian K.; Bekkhus, Mona; Eilertsen, Maja; Nes, Ragnhild Bang; Prydz, Monica Beer & Ystrom, Eivind [Show all 63 contributors for this article] (2025). The nature of the relation between mental well-being and ill-being. Nature Human Behaviour. 9(12), p. 2431–2440. doi: 10.1038/s41562-025-02319-x. Full text in Research Archive
  • Vira, Emily Gabriela; Nes, Ragnhild Bang; Kaasbøll, Jannike; Kjøbli, John; Røysamb, Espen & Helland, Siri Saugestad (2025). Reciprocal associations between general psychopathology and emotion regulation from adolescence to adulthood. International Journal of Behavioral Development. ISSN 0165-0254. p. 1–14. doi: 10.1177/01650254251401322. Full text in Research Archive
  • Tveit, Olav Bertin; Røysamb, Espen & Gustavson, Kristin (2025). Consulting Children When Parents Divorce: Longitudinal Associations with Mental Health and Parent–Child Relationship Outcomes. Family Transitions. ISSN 2837-5300. 66(7), p. 455–478. doi: 10.1080/28375300.2025.2527996. Full text in Research Archive
  • Olechowski, Mateusz; Górski, Maciej R.; Joshanloo, Mohsen; Hussain, M. Azhar; Wasiel, Arkadiusz & Yeung, Victoria Wai Lan [Show all 112 contributors for this article] (2025). Cultural religiosity moderates the relationship between being in love and subjective well-being. International Journal of Intercultural Relations. ISSN 0147-1767. 108. doi: 10.1016/j.ijintrel.2025.102227. Full text in Research Archive
  • Prydz, Monica Beer; Bjørndal, Ludvig Daae; Czajkowski, Nikolai Olavi; Røysamb, Espen & Nes, Ragnhild Bang (2025). Direct and indirect effects of a digital Five Ways to Wellbeing intervention: A network intervention analysis. Behaviour Research and Therapy. ISSN 0005-7967. 191. doi: 10.1016/j.brat.2025.104781. Full text in Research Archive
  • Hansen, Heidi Marie Umbach; Røysamb, Espen; Vassend, Olav Mandt; Czajkowski, Nikolai Olavi; Endestad, Tor & Vuoskoski, Jonna Katariina [Show all 8 contributors for this article] (2025). Dimensions of music use motivations: Genetic and environmental underpinnings, and associations with Big Five and Empathy traits. PLOS ONE. 20(8). doi: 10.1371/journal.pone.0329808. Full text in Research Archive
  • Hansen, Heidi Marie Umbach; Laeng, Bruno; Vassend, Olav Mandt; Czajkowski, Nikolai Olavi; Endestad, Tor & Danielsen, Anne [Show all 7 contributors for this article] (2025). The role of Big Five personality domains and facets in musical sensibility: a twin study. Scientific Reports. 15(1). doi: 10.1038/s41598-025-95661-z. Full text in Research Archive
  • Bjørndal, Ludvig Daae; Røysamb, Espen; Nes, Ragnhild Bang; Soest, Tilmann Martin von & Ebrahimi, Omid V. (2025). Financial factors and depression and anxiety: A symptom-specific approach in the general population. SSM - Mental Health (SSM-MH). 8. doi: 10.1016/j.ssmmh.2025.100508. Full text in Research Archive
  • Lou, Xiaobin; Haas, Brian W.; Zelenski, John M.; Xing, Cai; Vignoles, Vivian L. & Vauclair, Christin-Melanie [Show all 66 contributors for this article] (2025). A Cross-cultural Study On the Association Between Societal Conditions and the Idealization of Happiness. Applied Research in Quality of Life. ISSN 1871-2584. 20, p. 1289–1313. doi: 10.1007/s11482-025-10462-w. Full text in Research Archive
  • Tamnes, Christian Krog; Dahl, Andreas; Meer, Dennis van der; Agartz, Ingrid; Alnæs, Dag & Andreassen, Ole [Show all 13 contributors for this article] (2025). Relationships between wellbeing polygenic scores, brain structure, and psychopathology in children. Personality and Individual Differences. ISSN 0191-8869. 246. doi: 10.1016/j.paid.2025.113313. Full text in Research Archive
  • Edvoll, Maud Clemson; Folstad, Siri Hausland; Fang, Yuan; Bjørnebekk, Gunnar; Ystrom, Eivind & Eftedal, Nikolai Haahjem [Show all 10 contributors for this article] (2024). OSF preregistration: A Norwegian School Reform: The Effects of a National Curricular Change on Children’s Academic Performance. Open Science Framework (OSF). doi: https:/osf.io/e4m8c/overview?view_only=f20402d677fe4e798c1480ba6049edca. Full text in Research Archive
  • Mayerhofer, Lilian Juliane Kozlowski; Nes, Ragnhild Bang; Lan, Xiaoyu; Czajkowski, Nikolai Olavi; Ystrøm, Eivind & Røysamb, Espen (2024). Wellbeing and illbeing in women exposed to physical and sexual violence during peripregnancy: a population-based longitudinal study. European Journal of Psychotraumatology. 15(1). doi: 10.1080/20008066.2024.2398961. Full text in Research Archive
  • Kleppestø, Thomas Haarklau; Czajkowski, Nikolai Olavi; Sheehy-Skeffington, Jennifer; Vassend, Olav; Røysamb, Espen & Eftedal, Nikolai Haahjem [Show all 9 contributors for this article] (2024). The genetic underpinnings of right-wing authoritarianism and social dominance orientation explain political attitudes beyond Big Five personality. Journal of Personality. ISSN 0022-3506. 92(6), p. 1744–1758. doi: 10.1111/jopy.12921. Full text in Research Archive
  • Li, Liman Man Wai; Lun, Vivian Miu-Chi; Bond, Michael Harris; Yeung, June Chun; Igou, Eric Raymond & Haas, Brian W. [Show all 68 contributors for this article] (2024). The Role of Cultural Heterogeneity in Strengthening the Link Between Family Relationships and Life Satisfaction in 50 Societies. Journal of Happiness Studies. ISSN 1389-4978. 25. doi: 10.1007/s10902-024-00768-1. Full text in Research Archive
  • Bjørndal, Ludvig Daae; Eilertsen, Espen Moen; Ayorech, Ziada; Cheesman, Rosa; Ahmadzadeh, Yasmin I. & Baldwin, Jessie R. [Show all 13 contributors for this article] (2024). Disentangling direct and indirect genetic effects from partners and offspring on maternal depression using trio-GCTA. Nature Mental Health. 2(4), p. 417–425. doi: 10.1038/s44220-024-00207-3. Full text in Research Archive
  • Bjørndal, Ludvig Daae; Nes, Ragnhild Bang; Ayorech, Ziada; Vassend, Olav Mandt & Røysamb, Espen (2024). Multiple social factors are associated with wellbeing when accounting for shared genetic and environmental confounding. Quality of Life Research. ISSN 0962-9343. doi: 10.1007/s11136-024-03832-8. Full text in Research Archive
  • Kleppestø, Thomas Haarklau; Czajkowski, Nikolai Olavi; Vassend, Olav Mandt; Røysamb, Espen; Eftedal, Nikolai Haahjem & Sheehy-Skeffington, Jennifer [Show all 10 contributors for this article] (2024). Attachment and Political Personality are Heritable and Distinct Systems, and Both Share Genetics with Interpersonal Trust and Altruism. Behavior Genetics. ISSN 0001-8244. 54, p. 321–332. doi: 10.1007/s10519-024-10185-y. Full text in Research Archive
  • Hansen, Heidi Marie Umbach; Røysamb, Espen; Vassend, Olav Mandt; Czajkowski, Nikolai Olavi; Endestad, Tor & Danielsen, Anne [Show all 7 contributors for this article] (2024). The underlying architecture of musical sensibility: One general factor, four subdimensions, and strong genetic effects. Annals of the New York Academy of Sciences. ISSN 0077-8923. 1540(1), p. 291–306. doi: 10.1111/nyas.15227. Full text in Research Archive
  • Solhaug, Anne Kristine Nilsen; Oppedal, Brit; Røysamb, Espen & Calam, Rachel (2024). Life Satisfaction among Unaccompanied Refugee Minors: Associations with Traumatic Events and Daily Hassles. Journal of Child and Adolescent Trauma. ISSN 1936-1521. 17, p. 597–610. doi: 10.1007/s40653-023-00579-1. Full text in Research Archive
  • Nilsen, Fredrik Andre; Bang, Henning & Røysamb, Espen (2024). Personality traits and self-control: The moderating role of neuroticism. PLOS ONE. 19(8). doi: 10.1371/journal.pone.0307871. Full text in Research Archive
  • Mayerhofer, Lilian Juliane Kozlowski; Nes, Ragnhild Bang; Yu, Baeksan; Ayorech, Ziada; Lan, Xiaoyu & Ystrøm, Eivind [Show all 7 contributors for this article] (2024). Stability and change in maternal wellbeing and illbeing from pregnancy to three years postpartum. Quality of Life Research. ISSN 0962-9343. 33, p. 2797–2808. doi: 10.1007/s11136-024-03730-z. Full text in Research Archive
  • Helland, Siri Saugestad; Vira, Emily Gabriela; Kjøbli, John; Røysamb, Espen; Nes, Ragnhild Bang & Kaasbøll, Jannike [Show all 7 contributors for this article] (2024). What Emotion Regulation Strategies are Associated with a General Psychopathology Factor (p) in Adolescence? Identifying Possible Transdiagnostic Targets for Intervention. Research on Child and Adolescent Psychopathology. ISSN 2730-7166. 52, p. 1831–1846. doi: 10.1007/s10802-024-01239-0. Full text in Research Archive
  • Ayorech, Ziada; Torvik, Fartein Ask; Cheesman, Rosa; Eilertsen, Espen M.; Valstad, Mathias & Bjørndal, Ludvig Daae [Show all 9 contributors for this article] (2024). The structure of psychiatric comorbidity without selection and assortative mating. Translational Psychiatry. 14(1), p. 1–9. doi: 10.1038/s41398-024-02768-4. Full text in Research Archive
  • Krys, Kuba; Kostoula, Olga; Tilburg, Wijnand A. P. van; Mosca, Oriana; Lee, J. Hannah & Maricchiolo, Fridanna [Show all 71 contributors for this article] (2024). Happiness Maximization Is a WEIRD Way of Living. Perspectives on Psychological Science. ISSN 1745-6916. doi: 10.1177/17456916231208367. Full text in Research Archive
  • Bjørndal, Ludvig Daae; Ebrahimi, Omid V.; Røysamb, Espen; Karstoft, Karen-Inge; Czajkowski, Nikolai Olavi & Nes, Ragnhild Bang (2024). Stressful life events exhibit complex patterns of associations with depressive symptoms in two population-based samples using network analysis. Journal of Affective Disorders. ISSN 0165-0327. 349, p. 569–576. doi: 10.1016/j.jad.2024.01.054. Full text in Research Archive
  • Larsen, Linda; Buchmann, Nelli; Morbech, Maria; Holt, Tonje; Røysamb, Espen & Helland, Maren Sand (2024). Cohort profile: the Dynamics of Family Conflict (FamC) study in Norway. BMJ Open. 14(8). doi: 10.1136/bmjopen-2023-080772. Full text in Research Archive
  • Prydz, Monica Beer; Czajkowski, Nikolai Olavi; Eilertsen, Maja; Røysamb, Espen & Nes, Ragnhild Bang (2024). A Web-Based Intervention Using "Five Ways to Wellbeing" to Promote Well-Being and Mental Health: Randomized Controlled Trial. JMIR Mental health. 11. doi: 10.2196/49050. Full text in Research Archive
  • Gustavson, Kristin; Torvik, Fartein Ask; Smith, George Davey; Røysamb, Espen & Eilertsen, Espen Moen (2024). Familial confounding or measurement error? How to interpret findings from sibling and co-twin control studies. European Journal of Epidemiology (EJE). ISSN 0393-2990. 39, p. 587–603. doi: 10.1007/s10654-024-01132-6. Full text in Research Archive
  • Bjørndal, Ludvig Daae; Nes, Ragnhild Bang; Czajkowski, Nikolai Olavi & Røysamb, Espen (2023). The structure of well-being: a single underlying factor with genetic and environmental influences. Quality of Life Research. ISSN 0962-9343. 32, p. 2805–2816. doi: 10.1007/s11136-023-03437-7. Full text in Research Archive
  • Sánchez-Rodríguez, Ángel; Uskul, Ayse K.; Rodríguez-Bailón, Rosa; Willis, Guillermo B.; Vignoles, Vivian L. & Krys, Kuba [Show all 69 contributors for this article] (2023). Unpackaging the link between economic inequality and self-construal. Self and Identity. ISSN 1529-8868. 22(5), p. 713–739. doi: 10.1080/15298868.2023.2200032. Full text in Research Archive
  • Oftedal, Aurora; Tsotsi, Stella; Kaasen, Anne; Mayerhofer, Lilian Juliane Kozlowski; Røysamb, Espen & Smajlagic, Dinka [Show all 8 contributors for this article] (2023). Anxiety and depression in expectant parents: ART versus spontaneous conception. Human Reproduction. ISSN 0268-1161. 38(9), p. 1755–1760. doi: 10.1093/humrep/dead133. Full text in Research Archive
  • Mayerhofer, Lilian Juliane Kozlowski; Nes, Ragnhild Bang; Lan, Xiaoyu; Czajkowski, Nikolai Olavi; Ystrøm, Eivind & Røysamb, Espen (2023). Wellbeing and illbeing in women exposed to physical and sexual violence: A population based longitudinal study. OSF Preprints. Full text in Research Archive
  • Alexandersen, Nina; Zachrisson, Henrik Daae; Røysamb, Espen; Wilhelmsen, Tiril; Wang, Mari Vaage & Brandlistuen, Ragnhild Eek (2023). Preschool structural quality and student–teacher closeness are related to children's adjustment: sibling-informed design. Early Childhood Research Quarterly. ISSN 0885-2006. 66, p. 48–60. doi: 10.1016/j.ecresq.2023.08.009. Full text in Research Archive
  • Krys, Kuba; Yeung, June Chun; Haas, Brian W.; Osch, Yvette van; Kosiarczyk, Aleksandra & Kocimska-Zych, Agata [Show all 62 contributors for this article] (2023). Family First: Evidence of Consistency and Variation in the Value of Family Versus Personal Happiness Across 49 Different Cultures. Journal of Cross-Cultural Psychology. ISSN 0022-0221. 54(3), p. 323–339. doi: 10.1177/00220221221134711. Full text in Research Archive
  • Gjerde, Line Cecilie; Eilertsen, Espen Moen; McAdams, Tom A.; Cheesman, Rosa Catherine Gillespie; Moffitt, Terrie & Caspi, Avshalom [Show all 10 contributors for this article] (2023). The p factor of psychopathology and personality in middle childhood: genetic and gestational risk factors. Psychological Medicine. ISSN 0033-2917. 53(9), p. 4275–4285. doi: 10.1017/S0033291723000077. Full text in Research Archive
  • Sánchez-Rodríguez, Ángel; Vignoles, Vivian L.; Bond, Michael Harris; Adamovic, Mladen; Akotia, Charity S. & Albert, Isabelle [Show all 66 contributors for this article] (2023). Self-construals predict personal life satisfaction with different strengths across societal contexts differing in national wealth and religious heritage. Self and Identity. ISSN 1529-8868. 22(5), p. 689–712. doi: 10.1080/15298868.2023.2202413. Full text in Research Archive
  • Wilhelmsen, Tiril; Røysamb, Espen; Lekhal, Ratib; Brandlistuen, Ragnhild Eek; Alexandersen, Nina & Wang, Mari Vaage (2023). Children's mental health: The role of multiple risks and child care quality. Journal of Applied Developmental Psychology. ISSN 0193-3973. 86. doi: 10.1016/j.appdev.2023.101546. Full text in Research Archive
  • Solhaug, Anne Kristine Nilsen; Røysamb, Espen & Oppedal, Brit (2023). Changes in life satisfaction among unaccompanied asylum-seeking and refugee minors who participated in teaching recovery techniques (TRT). Child and Adolescent Psychiatry and Mental Health (CAPMH). 17. doi: 10.1186/s13034-023-00595-x. Full text in Research Archive
  • Birkenæs, Viktoria; Bakken, Nora Refsum; Frei, Evgeniia; Jaholkowski, Piotr Pawel; Smeland, Olav Bjerkehagen & Woldeyohannes, Markos Tesfaye [Show all 15 contributors for this article] (2023). Psychometric Properties and Diagnostic Associations of the Short-Form Community Assessment of Psychic Experiences in a Population-Based Sample of 29 021 Adult Men. Schizophrenia Bulletin. ISSN 0586-7614. 49(5), p. 1229–1238. doi: 10.1093/schbul/sbad074. Full text in Research Archive
  • Grossmann, Igor; Rotella, Amanda; Hutcherson, Cendri A.; Sharpinskyi, Konstantyn; Varnum, Michael E. W. & Achter, Sebastian [Show all 139 contributors for this article] (2023). Insights into the accuracy of social scientists’ forecasts of societal change. Nature Human Behaviour. 7, p. 484–501. doi: 10.1038/s41562-022-01517-1. Full text in Research Archive
  • Ayorech, Ziada; Cheesman, Rosa; Eilertsen, Espen M.; Bjørndal, Ludvig Daae; Røysamb, Espen & McAdams, Tom A. [Show all 8 contributors for this article] (2023). Maternal depression and the polygenic p factor: A family perspective on direct and indirect effects. Journal of Affective Disorders. ISSN 0165-0327. 332, p. 159–167. doi: 10.1016/j.jad.2023.03.043. Full text in Research Archive
  • Jin, Fufen; Schjølberg, Synnve; Eadie, Patricia; Nes, Ragnhild Bang; Valand, Stian Barbo & Røysamb, Espen [Show all 7 contributors for this article] (2023). The association of cognitive abilities with language disorder in 8-year-old children: A population-based clinical sample. International journal of language and communication disorders. ISSN 1368-2822. 58(4), p. 1268–1285. doi: 10.1111/1460-6984.12861. Full text in Research Archive
  • Bjørndal, Ludvig Daae; Ebrahimi, Omid Vakili; Lan, Xiaoyu; Nes, Ragnhild Bang & Røysamb, Espen (2023). Mental Health and Environmental Factors in Adults: A Population-Based Network Analysis. American Psychologist. ISSN 0003-066X. doi: 10.1037/amp0001208. Full text in Research Archive
  • Røysamb, Espen; Moffitt, Terrie; Caspi, Avshalom; Ystrøm, Eivind & Nes, Ragnhild Bang (2023). Worldwide Well-Being: Simulated Twins Reveal Genetic and (Hidden) Environmental Influences. Perspectives on Psychological Science. ISSN 1745-6916. 18(6), p. 1562–1574. doi: 10.1177/17456916231178716. Full text in Research Archive
  • Helland, Siri Saugestad; Røysamb, Espen; Schjølberg, Synnve; Øksendal, Elise & Gustavson, Kristin (2022). Pathways From Preschool Language Difficulties to School-Age Internalizing Problems. Journal of Speech, Language and Hearing Research. ISSN 1092-4388. 65(4), p. 1561–1573. doi: 10.1044/2021_JSLHR-21-00548. Full text in Research Archive
  • Norbom, Linn Christin Bonaventure; Hanson, Jamie; Meer, Dennis van der; Ferschmann, Lia; Røysamb, Espen & Soest, Tilmann von [Show all 10 contributors for this article] (2022). Parental socioeconomic status is linked to cortical microstructure and language abilities in children and adolescents. Developmental Cognitive Neuroscience. ISSN 1878-9293. 56. doi: 10.1016/j.dcn.2022.101132. Full text in Research Archive
  • Eftedal, Nikolai Haahjem; Kleppestø, Thomas Haarklau; Czajkowski, Nikolai Olavi; Sheehy-Skeffington, Jennifer; Røysamb, Espen & Vassend, Olav Mandt [Show all 8 contributors for this article] (2022). Justice sensitivity is undergirded by separate heritable motivations to be morally principled and opportunistic. Scientific Reports. 12. doi: 10.1038/s41598-022-09253-2. Full text in Research Archive
  • Oppedal, Brit; Keles, Serap & Røysamb, Espen (2022). Subjective Well-Being Among Unaccompanied Refugee Youth: Longitudinal Associations With Discrimination and Ethnic Identity Crisis. Frontiers in Psychology. 13. doi: 10.3389/fpsyg.2022.920657. Full text in Research Archive
  • Brekke, Idunn; Smith, Otto Robert Frans; Skjønsberg, Eia Elena; Holt, Tonje; Helland, Maren Sand & Aarø, Leif Edvard [Show all 11 contributors for this article] (2022). Effectiveness of the International Child Development Programme: Results from a randomized controlled trial. Child & Family Social Work. ISSN 1356-7500. p. 1–15. doi: 10.1111/cfs.12973. Full text in Research Archive
  • Wilhelmsen, Tiril; Alexandersen, Nina; Røysamb, Espen; Moser, Thomas; Brandlistuen, Ragnhild Eek & Wang, Mari Vaage (2022). Teachers’ competence promote close relationships to children with externalising problems and conflictual relationships. Educational Psychology. ISSN 0144-3410. 42(6), p. 673–693. doi: 10.1080/01443410.2022.2059653. Full text in Research Archive
  • Vassend, Olav Mandt; Czajkowski, Nikolai Olavi; Røysamb, Espen & Nielsen, Christopher Sivert (2022). The role of neuroticism and pain in dental anxiety: A twin study. Community Dentistry and Oral Epidemiology. ISSN 0301-5661. doi: 10.1111/cdoe.12763. Full text in Research Archive
  • Hermansen, Tone Kristine; Syrstad, Kari Enger; Røysamb, Espen & Melinder, Annika Maria Désirée (2022). Child internalizing and externalizing behaviors: Interplay between maternal depressive symptoms and child inhibitory control. JCPP Advances. 2(4). doi: 10.1002/jcv2.12107. Full text in Research Archive
  • Ayorech, Ziada; Cheesman, Rosa Catherine Gillespie; Eilertsen, Espen Moen; Bjørndal, Ludvig Daae; Røysamb, Espen & McAdams, Tom [Show all 8 contributors for this article] (2022). Maternal depression and the polygenic p factor: A family perspective on direct and indirect effects. PsyArXiv. doi: 10.31234/osf.io/6nwrx. Full text in Research Archive
  • Eilertsen, Espen Moen; Cheesman, Rosa Catherine Gillespie; Ayorech, Ziada; Røysamb, Espen; Pingault, Jean-Baptiste & Njølstad, Pål Rasmus [Show all 11 contributors for this article] (2022). On the importance of parenting in externalizing disorders: an evaluation of indirect genetic effects in families. Journal of Child Psychology and Psychiatry. ISSN 0021-9630. 63(10), p. 1186–1195. doi: 10.1111/jcpp.13654. Full text in Research Archive
  • Nes, Ragnhild Bang; Yu, Baeksan; Hansen, Thomas; Vedaa, Øystein; Røysamb, Espen & Nilsen, Thomas Sevenius (2022). Flattening the quality of life curve? A prospective person-centred study from Norway amid COVID-19. Quality of Life Research. ISSN 0962-9343. 31, p. 2295–2305. doi: 10.1007/s11136-022-03113-2. Full text in Research Archive
  • Krys, Kuba; Yeung, June Chun; Capaldi, Colin A.; Lun, Vivian Miu-Chi; Torres, Claudio & Tilburg, Wijnand A. P. van [Show all 63 contributors for this article] (2021). Societal emotional environments and cross-cultural differences in life satisfaction: A forty-nine country study. Journal of Positive Psychology. ISSN 1743-9760. doi: 10.1080/17439760.2020.1858332. Full text in Research Archive
  • Helland, Maren Sand; Lyngstad, Torkild Hovde; Holt, Tonje; Larsen, Linda Paarup Neigaard & Røysamb, Espen (2021). Effects of Covid-19 lockdown on parental functioning in vulnerable families. Journal of Marriage and Family. ISSN 0022-2445. 83(5), p. 1515–1526. doi: 10.1111/jomf.12789. Full text in Research Archive
  • Veer, Ilya M.; Riepenhausen, Antje; Zerban, Matthias; Wackerhagen, Carolin; Puhlmann, Lara M. C. & Engen, Haakon [Show all 50 contributors for this article] (2021). Psycho-social factors associated with mental resilience in the Corona lockdown. Translational Psychiatry. 11(67). doi: 10.1038/s41398-020-01150-4. Full text in Research Archive
  • Wertz, Jasmin; Israel, Salomon; Arseneault, Louise; Belsky, Daniel W; Bourassa, Kyle & Harrington, HonaLee [Show all 12 contributors for this article] (2021). Vital personality scores and healthy aging: Life-course associations and familial transmission. Social Science and Medicine. ISSN 0277-9536. 285. doi: 10.1016/j.socscimed.2021.114283. Full text in Research Archive
  • Helland, Maren Sand; Holt, Tonje; Gustavson, Kristin; Larsen, Linda Paarup Neigaard & Røysamb, Espen (2021). Validation and short-form development of Conflict and Problem-solving Strategy Scales. Journal of Family Studies. ISSN 1322-9400. p. 1–20. doi: 10.1080/13229400.2021.1981977. Full text in Research Archive
  • Hofgaard, Live Skow; Nes, Ragnhild Bang & Røysamb, Espen (2021). Introducing two types of psychological resilience with partly unique genetic and environmental sources. Scientific Reports. 11. doi: 10.1038/s41598-021-87581-5. Full text in Research Archive
  • Træen, Bente & Røysamb, Espen (2020). Compatibility of riders’ personality traits and the perceived personality of their horse. Human-Animal Interaction Bulletin. 9(2), p. 46–61. Full text in Research Archive
  • Lund, Ingunn Olea; Eilertsen, Espen Moen; Gjerde, Line C.; Torvik, Fartein Ask; Røysamb, Espen & Reichborn-Kjennerud, Ted [Show all 7 contributors for this article] (2020). Maternal Drinking and Child Emotional and Behavior Problems. Pediatrics. ISSN 0031-4005. 145(3). doi: 10.1542/peds.2019-2007. Full text in Research Archive
  • Jin, Fufen; Schjølberg, Synnve; Wang, Mari Vaage; Eadie, Patricia; Nes, Ragnhild Bang & Røysamb, Espen [Show all 7 contributors for this article] (2020). Predicting Literacy Skills at 8 Years From Preschool Language Trajectories: A Population-Based Cohort Study. Journal of Speech, Language and Hearing Research. ISSN 1092-4388. 63(8), p. 2752–2762. doi: 10.1044/2020_JSLHR-19-00286. Full text in Research Archive
  • Helland, Siri Saugestad; Røysamb, Espen; Brandlistuen, Ragnhild Eek; Melby-Lervåg, Monica & Gustavson, Kristin (2020). A Common Family Factor Underlying Language Difficulties and Internalizing Problems: Findings From a Population-Based Sibling Study. Journal of Learning Disabilities. ISSN 0022-2194. 53(5), p. 399–409. doi: 10.1177/0022219420911634. Full text in Research Archive
  • Nilsen, Fredrik A.; Bang, Henning; Boe, Ole; Martinsen, Øyvind L.; Lang-Ree, Ole Christian & Røysamb, Espen (2020). The Multidimensional Self-Control Scale (MSCS): Development and validation. Psychological Assessment. ISSN 1040-3590. 32(11), p. 1057–1074. doi: 10.1037/pas0000950. Full text in Research Archive
  • Krys, Kuba; Park, Joonha; Kocimska-Zych, Agata; Kosiarczyk, Aleksandra; Selim, Heyla A. & Wojtczuk-Turek, Agnieszka [Show all 64 contributors for this article] (2020). Personal life satisfaction as a measure of societal happiness is an individualistic presumption: Evidence from fifty countries. Journal of Happiness Studies. ISSN 1389-4978. p. 1–18. doi: 10.1007/s10902-020-00311-y. Full text in Research Archive
  • Jin, Fufen; Schjølberg, Synnve; Eadie, Patricia; Nes, Ragnhild Bang & Røysamb, Espen (2020). Preschool speech intelligibility and 8-year literacy: A moderated mediation analysis. Journal of Speech, Language and Hearing Research. ISSN 1092-4388. 63(10), p. 3380–3391. doi: 10.1044/2020_JSLHR-19-00394. Full text in Research Archive
  • Oppedal, Brit; Ramberg, Visnja & Røysamb, Espen (2020). The asylum-process, bicultural identity and depression among unaccompanied young refugees. Journal of Adolescence. ISSN 0140-1971. 85, p. 59–69. doi: 10.1016/j.adolescence.2020.07.007. Full text in Research Archive
  • Oppedal, Brit; Keles, Serap; Cheah, Charissa & Røysamb, Espen (2020). Culture competence and mental health across different immigrant and refugee groups. BMC Public Health. 20(1). doi: 10.1186/s12889-020-8398-1. Full text in Research Archive
  • Seglem, Karoline Brobakke; Ørstavik, Ragnhild; Torvik, Fartein Ask; Røysamb, Espen & Vollrath, Margarete E. (2020). Education differences in sickness absence and the role of health behaviors: a prospective twin study. BMC Public Health. 20(1). doi: 10.1186/s12889-020-09741-y. Full text in Research Archive
  • Holt, Tonje; Helland, Maren Sand; Gustavson, Kristin; Cummings, Edward Mark; Ha, Anh & Røysamb, Espen (2019). Assessing Children’s Responses to Interparental Conflict: Validation and Short Scale Development of SIS and CPIC-Properties Scales. Journal of Abnormal Child Psychology. ISSN 0091-0627. p. 1–20. doi: 10.1007/s10802-019-00586-7. Full text in Research Archive
  • Gjerde, Line C.; Eilertsen, Espen Moen; Hannigan, Laurie; Eley, Thalia C.; Røysamb, Espen & Reichborn-Kjennerud, Ted [Show all 9 contributors for this article] (2019). Associations between maternal depressive symptoms and risk for offspring early-life psychopathology: the role of genetic and non-genetic mechanisms. Psychological Medicine. ISSN 0033-2917. doi: 10.1017/s0033291719003301. Full text in Research Archive
  • Seglem, Karoline Brobakke; Torvik, Fartein Ask; Røysamb, Espen; Gjerde, Line C.; Magnus, Per & Reichborn-Kjennerud, Ted [Show all 8 contributors for this article] (2019). A Life Course Study of Genetic and Environmental Influences on Work Incapacity. Twin Research and Human Genetics. ISSN 1832-4274. p. 1–7. doi: 10.1017/thg.2019.116. Full text in Research Archive
  • Gustavson, Kristin; Røysamb, Espen & Borren, Ingrid (2019). Preventing bias from selective non-response in population-based survey studies: findings from a Monte Carlo simulation study. BMC Medical Research Methodology. 19(120). doi: 10.1186/s12874-019-0757-1. Full text in Research Archive
  • Træen, Bente; Øhrn-Finstad, Katrine & Røysamb, Espen (2019). Perfect riders. Personality, Perfectionism and Mental Health in Norwegian Competition Riders. Journal of Equine Veterinary Science. ISSN 0737-0806. 75, p. 82–89. doi: 10.1016/j.jevs.2019.01.016. Full text in Research Archive
  • Kleppestø, Thomas Haarklau; Czajkowski, Nikolai Olavi; Vassend, Olav; Røysamb, Espen; Eftedal, Nikolai Haahjem & Sheehy-Skeffington, Jennifer [Show all 8 contributors for this article] (2019). Correlations between social dominance orientation and political attitudes reflect common genetic underpinnings. Proceedings of the National Academy of Sciences of the United States of America (PNAS). ISSN 0027-8424. 116(36), p. 17741–17746. doi: 10.1073/pnas.1818711116. Full text in Research Archive
  • Lund, Ingunn Olea; Eilertsen, Espen Moen; Gjerde, Line C.; Røysamb, Espen; Wood, Mollie & Reichborn-Kjennerud, Ted [Show all 7 contributors for this article] (2019). Is the association between maternal alcohol consumption in pregnancy and pre-school child behavioural and emotional problems causal? Multiple approaches for controlling unmeasured confounding. Addiction. ISSN 0965-2140. 114(6), p. 1004–1014. doi: 10.1111/add.14573. Full text in Research Archive
  • Vassend, Olav; Røysamb, Espen; Nielsen, Christopher Sivert & Czajkowski, Nikolai Olavi (2018). Fatigue symptoms in relation to neuroticism, anxiety-depression, and musculoskeletal pain. A longitudinal twin study. PLOS ONE. 13(6). doi: 10.1371/journal.pone.0198594. Full text in Research Archive
  • Magnus, Maria Christine; Wright, Rosalind J.; Røysamb, Espen; Parr, Christine Louise; Karlstad, Øystein & Page, Christian [Show all 10 contributors for this article] (2018). Association of Maternal Psychosocial Stress with Increased Risk of Asthma Development in Offspring. American Journal of Epidemiology. ISSN 0002-9262. 187(6), p. 1199–1209. doi: 10.1093/aje/kwx366. Full text in Research Archive
  • Løchen, Kristin Garaas; Nilsen, Wendy & Røysamb, Espen (2018). Associations Between Paternal and Adolescent Depressive Symptoms. In Mathiesen, Kristin Schjelderup; Sanson, Ann & Karevold, Evalill Bølstad (Ed.), Tracking Opportunities and Problems From Infancy to Adulthood. Hogrefe & Huber Publishers. ISSN 9780889375437. p. 183–196. Full text in Research Archive
  • Helland, Siri Saugestad; Røysamb, Espen; Wang, Mari Vaage & Gustavson, Kristin (2018). Language difficulties and internalizing problems: Bidirectional associations from 18 months to 8 years among boys and girls. Development and Psychopathology. ISSN 0954-5794. 30(4), p. 1239–1252. doi: 10.1017/S0954579417001559. Full text in Research Archive
  • Dyrdal, Gunvor Marie; Røysamb, Espen; Nes, Ragnhild Bang & Vittersø, Joar (2018). When Life Happens: Investigating Short and Long-Term Effects of Life Stressors on Life Satisfaction in a Large Sample of Norwegian Mothers. Journal of Happiness Studies. ISSN 1389-4978. 20(6), p. 1689–1715. doi: 10.1007/s10902-018-0024-x. Full text in Research Archive
  • Gjerde, Line C.; Eilertsen, Espen Moen; Eley, Thalia C.; McAdams, Tom A.; Reichborn-Kjennerud, Ted & Røysamb, Espen [Show all 7 contributors for this article] (2018). Maternal Perinatal and Concurrent Anxiety and Mental Health Problems in Early Childhood: A Sibling‐Comparison Study. Child Development. ISSN 0009-3920. doi: 10.1111/cdev.13192. Full text in Research Archive
  • Morken, Ida Sund; Røysamb, Espen; Nilsen, Wendy & Karevold, Evalill Bølstad (2018). Body Dissatisfaction and Depressive Symptoms on the Threshold to Adolescence: Examining Gender Differences in Depressive Symptoms and the Impact of Social Support. Journal of Early Adolescence. ISSN 0272-4316. 39(6), p. 814–838. doi: 10.1177/0272431618791280. Full text in Research Archive
  • Eilertsen, Espen Moen; Gjerde, Line C.; Kendler, Kenneth S.; Røysamb, Espen; Aggen, Steven H. & Gustavson, Kristin [Show all 8 contributors for this article] (2018). Development of ADHD symptoms in preschool children: Genetic and environmental contributions. Development and Psychopathology. ISSN 0954-5794. 31(4), p. 1299–1305. doi: 10.1017/S0954579418000731. Full text in Research Archive
  • Czajkowski, Nikolai Olavi; Aggen, Steven H.; Krueger, Robert F; Kendler, Kenneth S.; Neale, Michael C. & Knudsen, Gun Peggy [Show all 10 contributors for this article] (2018). A Twin Study of Normative Personality and DSM-IV Personality Disorder Criterion Counts: Evidence for Separate Genetic Influences. American Journal of Psychiatry. ISSN 0002-953X. 175(7), p. 649–656. doi: 10.1176/appi.ajp.2017.17050493. Full text in Research Archive
  • Røysamb, Espen; Nes, Ragnhild Bang; Czajkowski, Nikolai Olavi & Vassend, Olav (2018). Genetics, personality and wellbeing. A twin study of traits, facets and life satisfaction. Scientific Reports. 8. doi: 10.1038/s41598-018-29881-x. Full text in Research Archive
  • Vassend, Olav; Røysamb, Espen; Nielsen, Christopher Sivert & Czajkowski, Nikolai Olavi (2017). Musculoskeletal Complaints, Anxiety–Depression Symptoms, and Neuroticism: A Study of Middle-Aged Twins. Health Psychology. ISSN 0278-6133. 36(8), p. 729–739. doi: 10.1037/hea0000484. Full text in Research Archive
  • Nilsen, Wendy; Kjeldsen, Anne; Karevold, Evalill Bølstad; Skipstein, Anni; Helland, Maren Sand & Gustavson, Kristin [Show all 11 contributors for this article] (2017). Cohort profile: The Tracking Opportunities and Problems Study (TOPP) – A study of Norwegian children and their parents followed from infancy to adulthood. International Journal of Epidemiology. ISSN 0300-5771. 46(5), p. 1399–1399g. doi: 10.1093/ije/dyx057. Full text in Research Archive
  • Seglem, Karoline Brobakke; Ørstavik, Ragnhild; Torvik, Fartein Ask; Gjerde, Line C.; Røysamb, Espen & Reichborn-Kjennerud, Ted [Show all 8 contributors for this article] (2017). Pre-pregnancy mental distress and musculoskeletal pain and sickness absence during pregnancy-a twin cohort study. European Journal of Public Health. ISSN 1101-1262. 27(3), p. 477–481. doi: 10.1093/eurpub/ckw267. Full text in Research Archive
  • Eilertsen, Espen Moen; Gjerde, Line C.; Reichborn-Kjennerud, Ted; Ørstavik, Ragnhild; Knudsen, Gun Peggy & Stoltenberg, Camilla [Show all 10 contributors for this article] (2017). Maternal alcohol use during pregnancy and offspring attention-deficit hyperactivity disorder (ADHD): a prospective sibling control study. International Journal of Epidemiology. ISSN 0300-5771. 46(5), p. 1633–1640. doi: 10.1093/ije/dyx067. Full text in Research Archive
  • Gjerde, Line C.; Eilertsen, Espen Moen; Reichborn-Kjennerud, Ted; McAdams, Tom A.; Zachrisson, Henrik Daae & Zambrana, Imac Maria [Show all 9 contributors for this article] (2017). Maternal perinatal and concurrent depressive symptoms and child behavior problems: a sibling comparison study. Journal of Child Psychology and Psychiatry. ISSN 0021-9630. 58(7), p. 779–786. doi: 10.1111/jcpp.12704. Full text in Research Archive

View all works in NVA

  • Teulings, Irene Johanna Elisabeth; Bjørndal, Ludvig Daae; Liu, Jinrui; Nes, Ragnhild Bang; Røysamb, Espen & Vittersø, Joar (2026). Being Good, Feeling Good? Daily Links Between Moral and Prosocial Values, Value-Fulfillment, and Wellbeing. Full text in Research Archive
  • Nes, Ragnhild Bang; Røysamb, Espen; Hansen, Thomas & Nilsen, Thomas Sevenius (2026). Norge på 6. plass i Verdens lykkerapport 2026 - FHI. doi: https:/www.fhi.no/nyheter/2026/norge-pa-6.-plass-i-verdens-lykkerapport-2026. Full text in Research Archive
  • Nes, Ragnhild Bang; Røysamb, Espen; Czajkowski, Nikolai Olavi & Prydz, Monica Beer (2026). Digital Wellbeing Promotion in the General Population: Effects, Mechanisms, and Long-Term Outcomes of the Five Ways to Wellbeing for All Intervention. Full text in Research Archive
  • Fang, Yuan; Ystrom, Eivind; Eftedal, Nikolai Haahjem; Edvoll, Maud Clemson; Folstad, Siri Hausland & Røysamb, Espen [Show all 10 contributors for this article] (2026). Socioeconomic Differences in Student Mental Health Following a Nationwide Curriculum Reform. Full text in Research Archive
  • Edvoll, Maud Clemson; Folstad, Siri Hausland; Eftedal, Nikolai Haahjem; Poornikoo, Mehdi; Fang, Yuan & Ystrom, Eivind [Show all 11 contributors for this article] (2026). Conference poster; A Norwegian curriculum reform: Effects for 10th graders’ academic performance. Full text in Research Archive
  • Trivigno, Franco & Røysamb, Espen (2026). The Aristotelian Happiness Scale. Full text in Research Archive
  • Liu, Jinrui; Nes, Ragnhild Bang; Vittersø, Joar; Teulings, Irene Johanna Elisabeth & Røysamb, Espen (2025). How Good is Feeling Good? Full text in Research Archive
  • Engell, Thomas; Helland, Siri Saugestad; Vira, Emily Gabriela; Berg, Silje; Kvamme, Euryph Line Solheim & Kjøbli, John [Show all 16 contributors for this article] (2025). The implementability and proximal effects of a transdiagnostic mental health intervention for adolescents (Kort): protocol for a mixed-methods intensive longitudinal study. doi: 10.1186/s12913-025-12661-5. Full text in Research Archive
  • Nilsen, Fredrik Andre; Bang, Henning & Røysamb, Espen (2024). The relationship between personality traits and self-control: The moderating role of neuroticism. Full text in Research Archive
  • Teulings, Irene Johanna Elisabeth; Bjørndal, Ludvig Daae; Liu, Jinrui; Nes, Ragnhild Bang; Røysamb, Espen & Vittersø, Joar (2024). Beyond the Borders of Wellbeing Towards The Good Life Network. Full text in Research Archive
  • Wilhelmsen, Tiril; Røysamb, Espen; Lekhal, Ratib; Brandlistuen, Ragnhild Eek; Alexandersen, Nina & Wang, Mari Vaage (2024). Betydningen av tidlig multippel risiko og barnehagekvalitet for barns psykiske helse. Full text in Research Archive
  • Teulings, Irene Johanna Elisabeth; Bjørndal, Ludvig Daae; Liu, Jinrui; Nes, Ragnhild Bang; Røysamb, Espen & Vittersø, Joar (2024). Beyond the Borders of Wellbeing Towards The Good Life Network. Full text in Research Archive
  • Nes, Ragnhild Bang; Mayerhofer, Lilian; Bjørndal, Ludvig Daae; Teulings, Irene Johanna Elisabeth; Vittersø, Joar & Røysamb, Espen (2024). Homo Felix: From Genes to Values. Full text in Research Archive
  • Bjørndal, Ludvig Daae; Nes, Ragnhild Bang; Ebrahimi, Omid V. & Røysamb, Espen (2024). Multiple social factors are associated with wellbeing measured cross-sectionally and six years later when accounting for shared genetic and environmental confounding. Full text in Research Archive
  • Liu, Jinrui; Nes, Ragnhild Bang; Vittersø, Joar; Teulings, Irene Johanna Elisabeth & Røysamb, Espen (2024). We Value Negative Affect and Some is Good for Us! Full text in Research Archive
  • Liu, Jinrui; Nes, Ragnhild Bang; Vittersø, Joar; Teulings, Irene Johanna Elisabeth & Røysamb, Espen (2024). We Value Negative Affect and Some is Good for Us. Full text in Research Archive
  • Nes, Ragnhild Bang; Ayorech, Ziada; Mayerhofer, Lilian; Moffitt, Terrie; Ystrøm, Eivind & Caspi, Avshalom [Show all 7 contributors for this article] (2024). Surrounded by Genes: The Interplay of Core Family Genetic Profiles on Mothers’ Wellbeing Across 14 Years. Full text in Research Archive
  • Chegeni, Razieh; Nes, Ragnhild Bang; Cheesman, Rosa Catherine Gillespie; Ayorech, Ziada; Ystrøm, Eivind & Røysamb, Espen (2024). Surrounded by genes: Parental genetic effects on children’s mental health. Full text in Research Archive
  • Chegeni, Razieh; Nes, Ragnhild Bang; Cheesman, Rosa Catherine Gillespie; Ayorech, Ziada; Ystrøm, Eivind & Røysamb, Espen (2024). Intergenerational transmission of internalizing behaviors: a multipolygenic score approach. Full text in Research Archive
  • Nes, Ragnhild Bang & Røysamb, Espen (2024). Så menneskene kan danse sine liv. Full text in Research Archive
  • Røysamb, Espen (2024). Livskvalitet og hverdagsglede. [Radio]. NRK nyhetsmorgen. Full text in Research Archive
  • Nes, Ragnhild Bang; Hansen, Thomas; Eilertsen, Maja; Nilsen, Thomas Sevenius & Røysamb, Espen (2024). Steering Through Adversity: Norway's Strategic Approach to Secure Wellbeing in Times of Trouble. Full text in Research Archive
  • Folstad, Siri Hausland; Edvoll, Maud; Røsand, Ingvild; Klomstén, Anne Torhild; Bjørnebekk, Gunnar & Røysamb, Espen [Show all 10 contributors for this article] (2024). Almost No Studies Worldwide Evaluate Effects of School Curriculum Reforms on Child Mental Health. Full text in Research Archive
  • Folstad, Siri Hausland; Edvoll, Maud; Røsand, Ingvild; Klomstén, Anne Torhild; Bjørnebekk, Gunnar & Røysamb, Espen [Show all 10 contributors for this article] (2024). Rethinking Mental Health through Curriculum Reform: the Norwegian Model. Full text in Research Archive
  • Røysamb, Espen (2024). Happiness. Nature and Nurture. Full text in Research Archive
  • Røysamb, Espen; Mayerhofer, Lilian; Bjørndal, Ludvig Daae; Liu, Jinrui; Teulings, Irene Johanna Elisabeth & Vittersø, Joar [Show all 7 contributors for this article] (2024). The Happy Personality Revisited. Full text in Research Archive
  • Mayerhofer, Lilian Juliane Kozlowski; Nes, Ragnhild Bang; Yu, Baeksan; Ayorech, Ziada; Lan, Xiaoyu & Ystrøm, Eivind [Show all 7 contributors for this article] (2024). Journey of Love: Exploring Stability and Change in Relationship Satisfaction, Wellbeing, and Illbeing from Pregnancy to Three Years Postpartum. Full text in Research Archive
  • Mayerhofer, Lilian Juliane Kozlowski; Nes, Ragnhild Bang; Yu, Baeksan; Ayorech, Ziada; Lan, Xiaoyu & Ystrøm, Eivind [Show all 7 contributors for this article] (2024). Journey of Love: Exploring Stability and Change in Relationship Satisfaction, Wellbeing, and Illbeing from Pregnancy to Three Years Postpartum. Full text in Research Archive
  • Trivigno, Franco & Røysamb, Espen (2023). Towards an Aristotelian Happiness Scale. Full text in Research Archive
  • Norbom, Linn Christin Bonaventure; Hanson, Jamie; Meer, Dennis van der; Ferschmann, Lia; Røysamb, Espen & Soest, Tilmann von [Show all 10 contributors for this article] (2023). Erratum to “Parental socioeconomic status is linked to cortical microstructure and language abilities in children and adolescents” [Dev. Cogn. Neurosci. 56C (2022) 101132] (Developmental Cognitive Neuroscience (2022) 56, (S1878929322000755), (10.1016/j.dcn.2022.101132)). Developmental Cognitive Neuroscience. ISSN 1878-9293. 61. doi: 10.1016/j.dcn.2023.101225. Full text in Research Archive
  • Røysamb, Espen (2023). Sakerna som gör oss lyckligare än andra. [Journal]. Dagens Nyheter. Full text in Research Archive
  • Røysamb, Espen; Moffitt, Terrie; Caspi, Avshalom; Ystrøm, Eivind & Nes, Ragnhild Bang (2023). Worldwide wellbeing: Simulated twins reveal (missing) shared environments. Full text in Research Archive
  • Røysamb, Espen (2023). Norske forskere vet nå hvor livsgleden vår kommer fra. [Internet]. forskning.no. Full text in Research Archive
  • Røysamb, Espen; Ystrøm, Eivind & Nes, Ragnhild Bang (2023). Wellbeing worldwide: Identifying the (missing) shared environment. Full text in Research Archive
  • Mayerhofer, Lilian Juliane Kozlowski; Nes, Ragnhild Bang; Yu, Baeksan; Ayorech, Ziada; Lan, Xiaoyu & Ystrøm, Eivind [Show all 7 contributors for this article] (2023). From Romance to Motherhood: Transitions in Relationship Satisfaction, Wellbeing and Illbeing from Pregnancy to Toddlerhood. Full text in Research Archive
  • Mayerhofer, Lilian Juliane Kozlowski; Nes, Ragnhild Bang; Ayorech, Ziada; Bartels, Meike; Ystrøm, Eivind & Røysamb, Espen (2023). Early manifestations of genetic profile in mental health phenotypes and the role of maternal wellbeing: findings from MoBa and NTR. Full text in Research Archive
  • Gjerde, Line Cecilie; Eilertsen, Espen Moen; McAdams, Tom A.; Cheesman, Rosa Catherine Gillespie; Moffitt, Terrie & Caspi, Avshalom [Show all 10 contributors for this article] (2023). Erratum: The p factor of psychopathology and personality in middle childhood: Genetic and gestational risk factors (Psychological Medicine (2023) DOI: 10.1017/S0033291723000077). Psychological Medicine. ISSN 0033-2917. doi: 10.1017/S0033291723000879. Full text in Research Archive
  • Nes, Ragnhild Bang; Røysamb, Espen; Hansen, Thomas; Ystrøm, Eivind; Yu, Baeksan & Mayerhofer, Lilian (2023). Maternal wellbeing and illbeing from pregnancy to school age: A longitudinal study of co-development and interrelations. Full text in Research Archive
  • Nes, Ragnhild Bang; Hansen, Thomas; Eilertsen, Maja; Nilsen, Thomas Sevenius & Røysamb, Espen (2023). Towards a Wellbeing Economy in Norway: National Efforts to Monitor, Explain and Promote Wellbeing. Full text in Research Archive
  • Røysamb, Espen; Mayerhofer, Lilian Juliane Kozlowski; Hansen, Thomas; Ystrøm, Eivind & Yu, Baeksan (2023). Maternal wellbeing and illbeing from pregnancy to school age: A longitudinal study of co-development and interrelations. Full text in Research Archive
  • Røysamb, Espen (2023). Vil styrke folkehelsen og løse depresjonsgåten. [Internet]. Norges Forskningsråd - Suksesshistorier. Full text in Research Archive
  • Ayorech, Ziada; Torvik, Fartein Ask; Cheesman, Rosa Catherine Gillespie; Eilertsen, Espen Moen; Valstad, Mathias & Bjørndal, Ludvig Daae [Show all 9 contributors for this article] (2023). Leveraging family data can reveal the role of selection bias in genomic research. Full text in Research Archive
  • Røysamb, Espen (2023). Om psykisk helse og livskvalitet i krisetider. [TV]. Dagsrevyen, NRK. Full text in Research Archive
  • Oppedal, Brit; Keles, Serap & Røysamb, Espen (2023). Long-term effects of war trauma on the well-being of unaccompanied refugee youth. Full text in Research Archive
  • Nes, Ragnhild Bang; Czajkowski, Nikolai Olavi; Røysamb, Espen & Eilertsen, Maja Gunvor (2022). Promoting wellbeing and preventing mental health problems: A randomized controlled trail of the Five Ways to All Intervention. Full text in Research Archive
  • Nes, Ragnhild Bang; Røysamb, Espen; Eilertsen, Maja Gunvor & Czajkowski, Nikolai Olavi (2022). Promoting Wellbeing using the Five Ways to Wellbeing framework. Full text in Research Archive
  • Nes, Ragnhild Bang; Yu, Baeksan; Hansen, Thomas; Vedaa, Øystein; Røysamb, Espen & Nilsen, Thomas Sevenius (2022). Flattening the Quality of Life Curve: A Person-Centered Study from Norway amid Covid-19. Full text in Research Archive
  • Bjørndal, Ludvig Daae; Eilertsen, Espen Moen; Baldwin, Jessie R.; Ayorech, Ziada; Cheesman, Rosa Catherine Gillespie & Ahmadzadeh, Yasmin [Show all 13 contributors for this article] (2022). Disentangling intrafamilial effects on maternal depression using trio-GCTA. Full text in Research Archive
  • Eilertsen, Maja; Nes, Ragnhild Bang; Prydz, Monica Beer; Røysamb, Espen & Czajkowski, Nikolai Olavi (2022). Bridging the gap - from research to practice. Full text in Research Archive
  • Røysamb, Espen (2022). Kan vi bli lykkelige? Full text in Research Archive
  • Myklestad, Ingri & Røysamb, Espen (2022). Personality, Friend and School prediction of Adolescence Subjective Well-being: Trøndelag Health Study (Young-HUNT). Full text in Research Archive
  • Eilertsen, Maja Gunvor; Nes, Ragnhild Bang; Røysamb, Espen & Czajkowski, Nikolai Olavi (2022). Fem grep for økt Hverdagsglede på tvers av nivåer. Full text in Research Archive
  • Eilertsen, Maja; Nes, Ragnhild Bang; Czajkowski, Nikolai Olavi; Røysamb, Espen & Prydz, Monica Beer (2022). Promoting Wellbeing using the Five Ways to Wellbeing framework. Full text in Research Archive
  • Eilertsen, Maja; Nes, Ragnhild Bang; Czajkowski, Nikolai Olavi; Røysamb, Espen; Ørstavik, Ragnhild & Vassend, Olav Mandt (2022). Effects of illness on wellbeing: A co-twin control analysis. Full text in Research Archive
  • Prydz, Monica Beer; Czajkowski, Nikolai Olavi; Nes, Ragnhild Bang; Røysamb, Espen & Eilertsen, Maja (2022). Promoting wellbeing and preventing mental health problems: A randomized controlled trail of the Five Ways to Wellbeing Intervention. Full text in Research Archive
  • Eilertsen, Espen Moen; Cheesman, Rosa Catherine Gillespie; Ayorech, Ziada; Røysamb, Espen; Pingault, Jean-Baptiste & Njølstad, Pål Rasmus [Show all 11 contributors for this article] (2022). A trio-gcta study of indirect and direct genetic effects on hyperactivity, inattention, conduct problems, and oppositional-defiant behaviors. Full text in Research Archive
  • Mayerhofer, Lilian Juliane Kozlowski; Nes, Ragnhild Bang; Lan, Xiaoyu; Czajkowski, Nikolai Olavi; Ystrøm, Eivind & Røysamb, Espen (2022). Social support and wellbeing across the pre- and postnatal period in women victim of abuse: Findings from the Norwegian Mother, Father and Child Cohort Study. Full text in Research Archive
  • Bjørndal, Ludvig Daae; Eilertsen, Espen Moen; Baldwin, Jessie R.; Ayorech, Ziada; Cheesman, Rosa Catherine Gillespie & Ahmadzadeh, Yasmin [Show all 13 contributors for this article] (2022). Disentangling intrafamilial effects on maternal depression using trio-GCTA. European Neuropsychopharmacology. ISSN 0924-977X. 63. doi: 10.1016/j.euroneuro.2022.07.125. Full text in Research Archive
  • Eilertsen, Espen Moen; Cheesman, Rosa Catherine Gillespie; Ayorech, Ziada; Røysamb, Espen; Pingault, Jean-Baptiste & Njølstad, Pål Rasmus [Show all 11 contributors for this article] (2022). A trio-gcta study of indirect and direct genetic effects on hyperactivity, inattention, conduct problems, and oppositional-defiant behaviors. European Neuropsychopharmacology. ISSN 0924-977X. 63. doi: 10.1016/j.euroneuro.2022.07.307. Full text in Research Archive
  • Røysamb, Espen (2022). Psykiske vansker. Ikke født sånn, men heller ikke bare blitt sånn. Full text in Research Archive
  • Nygaard, Egil; Ystrøm, Eivind; Nes, Ragnhild Bang; Røysamb, Espen; Klomsten, Anne Torhild & Bjørnebekk, Gunnar [Show all 8 contributors for this article] (2022). Effekt av det tverrfaglige temaet Folkehelse og livsmestring. Full text in Research Archive
  • Nygaard, Egil; Nes, Ragnhild Bang; Ystrøm, Eivind; Klomsten, Anne Torhild; Bjørnebekk, Gunnar & Folstad, Siri Hausland [Show all 7 contributors for this article] (2021). Evaluering av implementering av det tverrfaglige temaet «Folkehelse og livsmestring» i norske skoler. Full text in Research Archive
  • Nygaard, Egil; Ystrøm, Eivind; Nes, Ragnhild Bang; Røysamb, Espen; Klomsten, Anne Torhild & Bjørnebekk, Gunnar [Show all 7 contributors for this article] (2021). Effekt av det tverrfaglige temaet Folkehelse og livsmestring. Full text in Research Archive
  • Røysamb, Espen (2021). Hvorfor har jeg lyktes med å få finansiert forskning i Forskningsrådet – fra ide til intervensjoner. Full text in Research Archive
  • Myklestad, Ingri & Røysamb, Espen (2019). Personality, Family and School influence on Adolescence Subjective Well-being: Results from the Nord-Trøndelag Health Study (HUNT). Scandinavian Journal of Public Health. ISSN 1403-4948. 47(Oktober). Full text in Research Archive
  • Gjerde, Line C.; Eilertsen, Espen Moen; Hannigan, Laurie; Eley, T.C.; Røysamb, Espen & Reichborn-Kjennerud, Ted [Show all 9 contributors for this article] (2019). To what extent can passive genetic transmission account for associations between maternal depressive symptoms and child early life psychopathology symptoms? Full text in Research Archive
  • Røysamb, Espen (2019). Fra tanker til tall. Tidsskrift for Den norske legeforening (Tidsskriftet). ISSN 0029-2001. 139(11). doi: 10.4045/tidsskr.19.0447. Full text in Research Archive
  • Wilhelmsen, Tiril; Alexandersen, Nina; Røysamb, Espen; Brandlistuen, Ragnhild Eek & Wang, Mari Vaage (2019). Teachers' competence moderates the association between teacher-child closeness and child behaviour. Full text in Research Archive
  • Eftedal, Nikolai Haahjem; Kleppestø, Thomas Haarklau; Røysamb, Espen; Vassend, Olav; Ystrøm, Eivind & Thomsen, Lotte (2019). Moral opportunism: A unique genetic grounding associates lesser guilt from perpetrating injustice with greater sensitivity to being the victim of it. Full text in Research Archive
  • Kleppestø, Thomas Haarklau; Czajkowski, Nikolai Olavi; Vassend, Olav; Røysamb, Espen; Eftedal, Nikolai Haahjem & Kunst, Jonas R. [Show all 8 contributors for this article] (2019). Social dominance orientation has both genetic and unique environmental influences, but only genetic pleiotropy accounts for its correlation with political attitudes. Full text in Research Archive
  • Seglem, Karoline Brobakke; Torvik, Fartein Ask; Røysamb, Espen; Gjerde, Line C.; Magnus, Per & Reichborn-Kjennerud, Ted [Show all 9 contributors for this article] (2019). Education, lifestyle and life course differences in Level of work incapacity - genes and environment. Full text in Research Archive
  • Seglem, Karoline Brobakke; Torvik, Fartein Ask; Ørstavik, Ragnhild; Røysamb, Espen & Vollrath, Margarete E. (2019). Education and lifestyle differences in level of sickness absence - A prospective twin cohort study. Full text in Research Archive
  • Gjerde, Line C.; Eilertsen, Espen Moen; Hannigan, Laurie; Eley, T.C.; Røysamb, Espen & Reichborn-Kjennerud, Ted [Show all 9 contributors for this article] (2019). To what extent can passive genetic transmission account for associations between maternal depressive symptoms and child early life psychopathology symptoms? Behavior Genetics. ISSN 0001-8244. 49(6), p. 520–520. doi: 10.1007/s10519-019-09973-8. Full text in Research Archive
  • Myklestad, Ingri & Røysamb, Espen (2019). Personality, Family, and School influence on Adolescence Subjective Well-being: Results from the Nord-Trøndelag Health Study (HUNT). Full text in Research Archive
  • Røysamb, Espen & Nes, Ragnhild Bang (2019). The role of genetics in subjective well-being. Nature Human Behaviour. 3(1), p. 3–3. doi: 10.1038/s41562-018-0494-1. Full text in Research Archive
  • Hansen, Thomas; Nes, Ragnhild Bang; Barstad, Anders Skøien; Røysamb, Espen & Vittersø, Joar (2018). A strategy for creating good (better) lives in Norway. Full text in Research Archive
  • Gjerde, Line C.; Eilertsen, Espen Moen; Rosenström, Tom Henrik; Reichborn-Kjennerud, Ted; Røysamb, Espen & McAdams, Tom A. [Show all 8 contributors for this article] (2018). The Joint Structure of Psychopathology and Personality in Preadolescent Children – Preliminary Findings. Full text in Research Archive
  • Myklestad, Ingri & Røysamb, Espen (2018). Personality, family and school influence on subjective well-being among adolescents: Results from the HUNT study. Full text in Research Archive
  • Røysamb, Espen; Nes, Ragnhild Bang; Czajkowski, Nikolai Olavi & Vassend, Olav (2017). Anxiety, depression and life satisfaction after midlife. A twin study across 20 years. Full text in Research Archive
  • Nes, Ragnhild Bang; Czajkowski, Nikolai Olavi; Røysamb, Espen & Vassend, Olav (2017). Components and sources of well-being and ill-being: A twin study. Full text in Research Archive
  • Vassend, Olav; Nielsen, Christopher Sivert; Røysamb, Espen & Czajkowski, Nikolai Olavi (2017). Fatigue symptoms in relation to neuroticism, anxiety-depression, and musculoskeletal pain. A longitudinal study. Full text in Research Archive
  • Kleppestø, Thomas H.; Czajkowski, Nikolai Olavi; Vassend, Olav; Røysamb, Espen; Kunst, Jonas R. & Thomsen, Lotte (2017). Preferring domination or egalitarianism: Genetic and environmental structure of Social Dominance Orientation. Full text in Research Archive
  • Czajkowski, Nikolai Olavi; Nes, Ragnhild Bang; Vassend, Olav & Røysamb, Espen (2017). Effects of somatic and mental illness on subjective well-being. A discordant twin analysis. Full text in Research Archive
  • Lund, Ingunn Olea; Eilertsen, Espen Moen; Gjerde, Line C.; Røysamb, Espen; Wood, Mollie & Reichborn-Kjennerud, Ted [Show all 7 contributors for this article] (2017). Prenatal Exposure to Alcohol and Child Internalizing and Externalizing Problems. Full text in Research Archive
  • Nes, Ragnhild Bang; Røysamb, Espen; Hansen, Thomas; Vittersø, Joar & Barstad, Anders Skøien (2017). A Strategy for Monitoring Quality of Life in Norway. Full text in Research Archive
  • Nes, Ragnhild Bang & Røysamb, Espen (2017). The Heritability and Changeability of Happiness. Full text in Research Archive
  • Vira, Emily Gabriela; Helland, Siri Saugestad; Nes, Ragnhild Bang & Røysamb, Espen (2026). The Many Faces of Emotion Regulation and Mental Health during Adolescence. Universitetet i Oslo. Full text in Research Archive
  • Brekke, Idunn; Skjønsberg, Eia Elena; Smith, Otto Robert Frans; Røsand, Gun-Mette Brandsnes; Holt, Tonje & Aarø, Leif Edvard [Show all 10 contributors for this article] (2021). Effektevaluering av International Child Development Programme (ICDP). En randomisert kontrollert studie. Folkehelseinstituttet. ISSN 9788284062099. Full text in Research Archive
  • Nes, Ragnhild Bang; Røysamb, Espen; Eilertsen, Maja; Hansen, Thomas & Nilsen, Thomas Sevenius (2021). Livskvalitet i Norge. FHI. Full text in Research Archive
  • Nes, Ragnhild Bang; Nilsen, Thomas Sevenius; Hauge, Lars Johan; Eilertsen, Maja; Gustavson, Kristin & Aarø, Leif Edvard [Show all 7 contributors for this article] (2020). Fra nord til sør: Livskvalitet i Norge 2019. Folkehelseinstituttet. ISSN 9788284061139. Full text in Research Archive

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Published Sep. 27, 2010 1:37 PM - Last modified Jan. 27, 2026 10:52 AM