Publications

2024

  • Cuijpers, P., Harrer, M., Miguel, C., Ciharova, M., Basic, D., Cristea, I. A., de Ponti, N., Driessen, E., Hamblen, J., Larsen, S. E., Matbouriahi, M., Papola, D., Pauley, D., Plessen, C. Y., Pfund, R. A., Setkowski, K., Schnurr, P. P., van Ballegooijen, W., Wang, Y., Riper, H., van Straten, A., Sijbrandij, M., Furukawa, T. A., & Karyotaki, E. (2024). Cognitive behavior therapy for mental disorders in adults: A unified series of meta-analyses across 375 randomized trials. Under Review: JAMA Psychiatry.

  • Harrer, M., Miguel, C., van Ballegooijen, W., Ciharova, M., Plessen, C. Y., Kuper, P., Sprenger, A. A., Buntrock, C., Papola, D., Cristea, I. A., de Ponti, N., Basic, D., Pauley, D., Driessen, E., Quero, S., Grimaldos, J., Fernández Buendía, S., Botella, C., Hamblen, J. L., Schnurr, P. P., Larsen, S. E., Pfund, R. A., Motrico, E., Goméz-Goméz, I., Setkowski, K., Matbouriahi, M., Wang, Y., Rawee, J., Riper, H., van Straten, A., Sijbrandij, M., Leucht, S., Furukawa, T. A., Karyotaki, E., & Cuijpers, P. (2024). Supersizing meta-analysis of psychological interventions: Features and findings of the “Metapsy” meta-analytic research domain. Under Review.

  • Plessen, C. Y. (2024). Research synthesis of psychological interventions for mental health. Doctoral dissertation, Vrije Universiteit Amsterdam. https://research.vu.nl/en/publications/research-synthesis-of-psychological-interventions-for-mental-heal.

  • Miguel, C., Harrer, M., Karyotaki, E., Plessen, C. Y., Ciharova, M., Furukawa, T. A., Cristea, I. A., & Cuijpers, P. (2024). Self-reports vs clinician ratings of efficacies of psychotherapies for depression: A meta-analysis of randomized trials. Under Review.

  • Scholz, C., Schmigalle, P., Plessen, C. Y., Liegl, G., Vajkoczy, P., Prasser, F., Rose, M., & Obbarius, A. (2024). The effect of self-management techniques on relevant outcomes in chronic low back pain: A systematic review and meta-analysis. European Journal of Pain, 28(4), 532–550. https://doi.org/10.1002/ejp.2221.

  • Cuijpers, P., Miguel, C., Ciharova, M., Harrer, M., Basic, D., Cristea, I. A., de Ponti, N., Driessen, E., Hamblen, J., Larsen, S. E., Matbouriahi, M., Papola, D., Pauley, D., Plessen, C. Y., Pfund, R. A., Setkowski, K., Schnurr, P. P., van Ballegooijen, W., Wang, Y., Riper, H., & Karyotaki, E. (2024). Absolute and relative outcomes of psychotherapies for eight mental disorders: A systematic review and meta-analysis. World Psychiatry, 23(2), 267–275. https://doi.org/10.1002/wps.21203.

  • Plessen, C. Y., Panagiotopoulou, O. M., Tong, L., Cuijpers, P., & Karyotaki, E. (2024). Digital mental health interventions for the treatment of depression: A multiverse meta-analysis. Journal of Affective Disorders, 369, 1031–1044. https://doi.org/10.1016/j.jad.2024.10.018.

  • Cuijpers, P., Miguel, C., Harrer, M., Plessen, C. Y., Ciharova, M., Papola, D., Ebert, D., & Karyotaki, E. (2024). Randomised trials on psychotherapy for depression: Methods of a ‘meta-analytic research domain.’ Under Review: Systematic Reviews.

  • Plessen, C. Y., Hartmann, C., Heng, M., Pesantez, R., Fischer, F., & Rose, M. (2024). Differential item functioning between English, German, and Spanish PROMIS® physical function ceiling items. In Press: Quality of Life Review.

  • Plessen, C. Y., Liegl, G., Hartmann, C., Heng, M., Joeris, A., Kaat, A. J., Schalet, B. D., Fischer, F., Rose, M., & AOBERT Consortium (2024). How are age, gender, and country differences associated with PROMIS physical function, upper extremity, and pain interference scores? Clinical Orthopaedics and Related Research, 482(2), 244–256. https://doi.org/10.1097/CORR.0000000000002798.


2023

  • Cuijpers, P., Miguel, C., Harrer, M., Plessen, C. Y., et al. (2023). Psychological treatment of depression: A systematic overview of a ‘meta-analytic research domain.’ Journal of Affective Disorders, 335, 141–151. https://doi.org/10.1016/j.jad.2023.05.011.

  • Harrison, C. J., Plessen, C. Y., Liegl, G., Rodrigues, J. N., Sabah, S. A., Beard, D. J., & Fischer, F. (2023). Overcoming floor and ceiling effects in knee arthroplasty outcome measurement. Bone & Joint Research, 12(10), 624–635. https://doi.org/10.1302/2046-3758.1210.BJR-2022-0457.R1.

  • Conrad, J. H., Plessen, C. Y., Liegl, G., Rodrigues, J. N., Sabah, S. A., Beard, D. J., & Fischer, F. (2023). Item response theory may account for unequal item weighting and individual-level measurement error in trials that use PROMs: A psychometric sensitivity analysis of the TOPKAT trial. Journal of Clinical Epidemiology, 158, 62–69. https://doi.org/10.1016/j.jclinepi.2023.03.013.

  • Plessen, C. Y., Karyotaki, E., Miguel, C., Ciharova, M., & Cuijpers, P. (2023). Exploring the efficacy of psychotherapies for depression: A multiverse meta-analysis. BMJ Mental Health, 26(1), e300626. https://doi.org/10.1136/bmjment-2022-300626.

  • Cuijpers, P., Miguel, C., Harrer, M., Plessen, C. Y., et al. (2023). Cognitive behavior therapy vs. control conditions, other psychotherapies, pharmacotherapies, and combined treatment for depression: A comprehensive meta-analysis including 409 trials with 52,702 patients. World Psychiatry, 22(1), 105–115. https://doi.org/10.1002/wps.21069.

  • Cuijpers, P., Miguel, C., Harrer, M., Plessen, C. Y., Ciharova, M., Papola, D., Ebert, D., & Karyotaki, E. (2023). Psychological treatment of depression with other comorbid mental disorders: Systematic review and meta-analysis. Cognitive Behaviour Therapy. https://doi.org/10.1080/16506073.2023.2166578.


2022 and Before

  • Plessen, C. Y., Karyotaki, E., & Cuijpers, P. (2022). Exploring the efficacy of psychological treatments for depression: A multiverse meta-analysis protocol. BMJ Open, 12(1), e050197. https://doi.org/10.1136/bmjopen-2021-050197.

  • Plessen, C. Y., Gyimesi, M. L., Kern, B. M. J., Fritz, T., Catalán Lorca, M. V., Voracek, M., & Tran, U. S. (2020). Associations between academic dishonesty and personality: A pre-registered multilevel meta-analysis. PsyArXiv. https://psyarxiv.com/pav2f/.

  • Plessen, C. Y., Lammer, A., Tran, U. S., & Voracek, M. (2020). Twin-singleton differences in intelligence: An updated and pre-registered meta-analysis. Manuscript in preparation.

  • Plessen, C. Y., Franken, F., Kathofer, M., Kotlyar, E., Maierwieser, R. J., Mayer, A., Rattner, K., Schmid, R. R., Sobisch, M., Ster, C., Wolfmayer, C., & Tran, U. S. (2020). Humor-styles and personality traits: An updated meta-analysis. Personality and Individual Differences, 154, 109676. https://doi.org/10.1016/j.paid.2019.109676.

  • Kossmeier, K., Vilsmeier, J., Dittrich, R., Fritz, T., Kolmanz, C., Plessen, C. Y., Slowik, A., Tran, U. S., & Voracek, M. (2019). Long-term trends (1980–2017) in the N-pact factor: Comparative meta-research of journals in personality psychology and individual differences research. Zeitschrift für Psychologie, 227, 293–302. https://doi.org/10.1027/2151-2604/a000384.

  • Plessen, C. Y. (2017). Who smokes and drinks? Formal education and time perspective as predictors of differences in alcohol and tobacco intake. Unpublished bachelor’s thesis. University of Vienna.

  • Plessen, C. Y., Boeckle, M., Liegl, G., Leitner, A., Schneider, A., Preining, B., & Pieh, C. (2016). [Supply and demand analysis for psychotherapy in Austria] Bedarfsanalyse für ambulante Psychotherapie in Österreich. Psychologische Medizin, 3, 4–9.

  • Liegl, G., Plessen, C. Y., Leitner, A., Boeckle, M., & Pieh, C. (2015). Guided self-help interventions for irritable bowel syndrome: A systematic review and meta-analysis. European Journal of Gastroenterology & Hepatology, 27, 1209–1221. https://doi.org/10.1097/MEG.0000000000000428.