Publikationen Mathias Harrer


  • Harrer, M., Apolinário-Hagen, J., Fritsche, L., Salewski, C., Zarski, A.-C., Lehr, D.,... Ebert, D.D. (2021). Effect of an internet- and app-based stress intervention compared to online psychoeducation in university students with depressive symptoms: Results of a randomized controlled trial. Internet Interventions, 24.

  • Apolinário-Hagen, J., Harrer, M., Dederichs, M., Fritsche, L., Wopperer, J., Wals, F.,... Ebert, D.D. (2021). Exploring the influence of testimonial source on attitudes towards e-mental health interventions among university students: Four-group randomized controlled trial. PLoS ONE, 16(5 May).

  • Cuijpers, P., Ciharova, M., Miguel, C., Harrer, M., Ebert, D.D., Brakemeier, E.L., & Karyotaki, E. (2021). Psychological treatment of depression in institutional settings: A meta-analytic review. Journal of Affective Disorders, 286, 340-350.

  • Harrer, M., Cuijpers, P., Furukawa, T.A., & Ebert, D.D. (2021). Doing Meta-Analysis with R: A Hands-On Guide (1st Edition). Boca Raton, FL, and London: Chapman & Hall/CRC Press. ISBN 978-0-367-61007-4. Online lesbar unter


  • Reins, J.A., Buntrock, C., Zimmermann, J., Grund, S., Harrer, M., Lehr, D.,... Ebert, D.D. (2020). Efficacy and Moderators of Internet-Based Interventions in Adults with Subthreshold Depression: An Individual Participant Data Meta-Analysis of Randomized Controlled Trials. Psychotherapy and Psychosomatics.

  • Harrer, M., Adam, S.H., Messner, E.-M., Baumeister, H., Cuijpers, P., Bruffaerts, R.,... Ebert, D.D. (2020). Prevention of eating disorders at universities: A systematic review and meta-analysis. International Journal of Eating Disorders.


  • Ebert, D.D., Harrer, M., Apolinário-Hagen, J., & Baumeister, H. (2019). Digital Interventions for Mental Disorders: Key Features, Efficacy, and Potential for Artificial Intelligence Applications. Advances in Experimental Medicine and Biology, 1192, 583-627.

  • Harrer, M., Apolinario-Hagen, J., Fritsche, L., Druege, M., Krings, L., Beck, K.,... Ebert, D. (2019). Internet- and App-Based Stress Intervention for Distance-Learning Students With Depressive Symptoms: Protocol of a Randomized Controlled Trial. Frontiers in Psychiatry, 10.

  • Breedvelt, J.J.F., Amanvermez, Y., Harrer, M., Karyotaki, E., Gilbody, S., Bockting, C.L.H.,... Ebert, D. (2019). The Effects of Meditation, Yoga, and Mindfulness on Depression, Anxiety, and Stress in Tertiary Education Students: A Meta-Analysis. Frontiers in Psychiatry, 10.


  • Harrer, M., Adam, S., Fleischmann, R.J., Baumeister, H., Auerbach, R., Bruffaerts, R.,... Ebert, D. (2018). Effectiveness of an Internet- and App-Based Intervention for College Students With Elevated Stress: Randomized Controlled Trial. Journal of Medical Internet Research, 20(4).

  • Harrer, M., Adam, S., Baumeister, H., Cuijpers, P., Karyotaki, E., Auerbach, R.P.,... Ebert, D.D. (2018). Internet interventions for mental health in university students: A systematic review and meta-analysis. International Journal of Methods in Psychiatric Research, e1759.

  • Apolinario-Hagen, J., Harrer, M., Kählke, F., Fritsche, L., Salewski, C., & Ebert, D. (2018). Public attitudes toward guided internet-based therapies: Web-based survey study. Journal of Medical Internet Research, 20(5).