Academic Research

2026

Hlynsson, J. I., Vernmark, K., Lutovsky, C., Andersson, G., & Carlbring, P. (in press). Patient experience and psychologists’ attitudes toward AI in psychological treatment: A topic-modeling study. Internet Interventions.

Lindqvist, K., Mechler, J., Hlynsson, J. I., Andersson, G., & Carlbring, P. (2026). Internet-delivered unguided psychodynamic vs. cognitive behavior therapy for anxiety and depression symptoms: A large, full factorial randomized controlled trial on treatment length and peer support. Internet Interventions, 45, 100980. https://doi.org/10.1016/j.invent.2026.100980

Hlynsson, J. I., Jónsdóttir, E. K., Ásgeirsdóttir, B. B., Kristjánsson, T., & Sigurvinsdóttir, R. S. (2026). Prevalence and predictors of suicidal ideation, self-harm, and suicide attempts in Iceland. Scandinavian Journal of Psychology. https://doi.org/10.1111/sjop.70129

Hlynsson, J. I., Mechler, J., Lindqvist, K., Andersson, G., & Carlbring, P. (2026). Anna vs. Judith: A randomized comparison of AI-delivered psychodynamic and cognitive behavioral therapies for social anxiety disorder. Internet Interventions, 45, 100960. https://doi.org/10.1016/j.invent.2026.100960 

2025

Hlynsson, J. I., Skúlason, S., Andersson, G., & Carlbring, P. (2025). Why are we still using the PHQ-9? A historical review and psychometric evaluation of measurement invariance. Psychiatric Quarterly. https://doi.org/10.1007/s11126-025-10208-9

Hlynsson, J. I., Bergström, J., & Carlbring, P. (2025). Seeing beyond the diagnostic and statistical manual: A function-centered review of obsessive-compulsive disorder and anxiety disorders. Journal of Obsessive-Compulsive and Related Disorders, 46, 100967. https://doi.org/10.1016/j.jocrd.2025.100967

Hlynsson, J. I., Kristjánsson, T., Andersson, G., & Carlbring, P. (2025). Evaluating the necessity of booster sessions in relapse prevention for depression: a longitudinal study. Frontiers in Psychology, 16. https://doi.org/10.3389/fpsyg.2025.1568141

Hlynsson, J. I., Ívarsson, Í. Ö., Andersson, G., & Carlbring, P. (2025). To be or not to be satisfied in your romantic relationship: evaluating the reliability and validity of the Valentine scale. Cognitive Behaviour Therapy, 54(4), 477–501. https://doi.org/10.1080/16506073.2024.2420655

2024

Hlynsson, J. I., Sjöberg, A., Ström, L., & Carlbring, P. (2024). Evaluating the reliability and validity of the questionnaire on well-being: A validation study for a clinically informed measurement of subjective well-being. Cognitive Behaviour Therapy, 54(2), 208–230. https://doi.org/10.1080/16506073.2024.2402992

Hlynsson, J. I., & Carlbring, P. (2024). Diagnostic accuracy and clinical utility of the PHQ-2 and GAD-2: A comparison with long-format measures for depression and anxiety. Frontiers in Psychology, 15. https://doi.org/10.3389/fpsyg.2024.1259997

Nordin, M., Hlynsson, J. I., Håkansson, J., & Carlbring, P. (2024). A double-edged sword: Insights from practitioners on the short and long-term negative effects of psilocybin-assisted psychological interventions. Journal of Psychedelic Studies, 8(2), 196–203. https://doi.org/10.1556/2054.2024.00337

Hlynsson, J. I., Gustafsson, O., & Carlbring, P. (2024). Uncertainty breeds anxiety and depression: The impact of the Russian invasion in Ukraine on a Swedish clinical population receiving internet-based psychotherapy. Clinical Psychology in Europe, 6(1), 1–20. https://doi.org/10.32872/cpe.12083

Hlynsson, J. I., Lindner, P., Barri, B., & Carlbring, P. (2024). Exploring cutoff points and measurement invariance of the Brunnsviken brief quality of life inventory. Frontiers in Psychology, 14, 1305682. https://doi.org/10.3389/fpsyg.2023.1305682

Preprints and Preregistrations

Carlbring, P., & Hlynsson, J. I. (2026). Internet-delivered and digital psychological interventions for obsessive-compulsive disorder: A systematic review and meta-analysis across four delivery modalities, conducted by a dual large language model reviewer pair under human oversight [Protocol registration No. CRD420261494200]. PROSPERO. https://www.crd.york.ac.uk/PROSPERO/view/CRD420261494200

Skoko, A., Hlynsson, J. I., Ciharova, M., Berger, T., Carlbring, P., Krieger, T., Bergström, J., Van Daele, T., van Klaveren, C., Cornelisz, I., Andersson, G., & Donker, T. (2026). Augmented-reality cognitive behavior therapy for fear of contamination in obsessive-compulsive disorder: A protocol for a multicenter randomized controlled trial [Preprint]. JMIR Preprints. https://doi.org/10.2196/preprints.103262