List of Publications

Publications in peer-reviewed scientific journals

  • Locher, C.*, Messerli, M., Gaab, J., & Gerger, H.* (in preparation). The Challenge of Behavior Change in Psychological Adherence-Enhancing Interventions: A Review and Meta-Analysis.
  • Tondorf, T., Kaufmann, L.-K., Degel, A., Locher, C., Birkhäuer, J., Gerger, H., Ehlert, U., & Gaab, J. (in print). Employing placebo-designs in psychotherapy research: A randomized-controlled open/hidden trial on the effects of opposing treatment rationale in expressive writing. PlosOne.
  • Birkhäuer, J., Gaab, J., Kossowsky, J., Hasler, S., Krummenacher, P., Werner, C., & Gerger, H. (2017). Trust in the health care professional and health outcome: A meta-analysis of observational studies. PlosOne (IF: 4.4), 12(2): e0170988. doi:10.1371/journal.pone.0170988
  • Gaab, J., Locher, C., Gerger, H. (2017) Placebo und Psychotherapie - Selbstabschaffung oder Erkenntnisgewinn? Verhaltenstherapie (IF: 0.4).
  • Ooi, YP., Weng, SJ., Kossowsky, J., Gerger, H., & Sung, M. (2017).Oxytocin and autism spectrum disorders: A systematic review and meta-analysis of randomized controlled trials. Pharmacopsychiatry (IF: 1.85). doi: 10.1055/s-0042-109400
  • Gaab, J., Blease, C., Locher, C., & Gerger, H. (2015). Go open - a plea for transparency in psychotherapy. Psychology of Consciousness: Theory, Research, and Practice.
  • Gerger, H. & Gaab, J. (2016). Researcher allegiance as hidden moderator in psychotherapy outcome research. Verhaltenstherapie (IF: 0.4). doi: 10.1159/000443543
  • Gerger, H.*, Hlavica, M., Munder, T., & Barth, J.*, (2015). Does it matter who provides psychological interventions for medically unexplained symptoms? A meta-analysis. Psychotherapy and Psychosomatics (IF: 9.37). doi: 10.1159/000380914
  • Gerger, H., Munder, T., & Barth, J. (2014). A rejoinder from Gerger and colleagues. Psychological Medicine (IF: 5.59). doi:10.1017/S0033291714002037
  • Gerger, H., Munder, T., Gemperli, A., Nüesch, E., Trelle, S., Jüni, P., & Barth, J. (2014). Integrating fragmented evidence via network meta-analysis: Relative effectiveness of psychological interventions for adults with posttraumatic stress disorder. Psychological Medicine (IF: 5.59). doi: 10.1017/S0033291714000853
  • Schmidt, H. M., Munder, T.,Gerger, H., Frühauf, S., & Barth, J. (2014). Combination of psychological intervention and phosphodiesterase-5 Inhibitors for erectile dysfunction: A narrative review and meta-analysis. Journal of Sexual Medicine (IF: 3.51), 11:1376–1391. doi:10.1111/jsm.12520
  • Gerger, H., Munder, T. and Barth, J. (2014), Specific and nonspecific psychological interventions for PTSD symptoms: A meta-analysis with problem complexity as a moderator. Journal of Clinical Psychology (IF: 2.12), 70: 601–615. doi: 10.1002/jclp.22059
  • Barth, J.*, Munder, T.*, Gerger, H., Nüesch, E., Trelle, S., Znoj, H., Cuijpers, P., & Jüni, P. (2013). Comparative efficacy of seven psychotherapeutic interventions for depressed patients: Results of a network meta-analysis. PLoS Medicine (IF: 15.25), 10, e1001454. doi: 10.1371/journal.pmed.1001454
  • A summary of this article entitled „Psychotherapy helps depression“ can be found in Nature (2013), 499, 383. doi:10.1038/499383e
  • A reprint of this article can be found in Focus The Journal of Lifelong Learning in Psychiatry (2016), 14, 229-243.
  • Frühauf, S.*, Gerger, H.*, Munder, T., Schmidt, H. M., & Barth, J. (2013). Efficacy of psychological interventions for sexual dysfunction: A systematic review and meta-analysis. Archives of Sexual Behavior (IF: 3.53), 42, 915-933. doi: 10.1007/s10508-012-0062-0
  • Munder, T., Brüetsch, O., Leonhart, R., Gerger, H., & Barth, J. (2013). Researcher Allegiance in Psychotherapy Outcome Research: An Overview of Reviews. Clinical Psychology Review (IF: 6.70), 33, 501-511. doi: 10.1016/j.cpr.2013.02.002
  • Munder, T., Flückiger, C., Gerger, H., Wampold, B. E., & Barth, J. (2012). Is the allegiance effect an epiphenomenon of true efficacy differences between treatments? A meta-analysis. Journal of Counseling Psychology (IF: 3.23), 59, 631-637. doi: 10.1037/a0029571
  • Munder, T., Gerger, H., Trelle, S., & Barth, J. (2011). Testing the allegiance bias hypothesis: A meta-analysis. Psychotherapy Research (IF: 1.75), 6, 670-84. doi: 10.1080/10503307.2011.602752.
  • Gerger, H., Kley, H., Bohner, G. & Siebler, F. (2007). The acceptance of modern myths about sexual aggression scale: development and validation in German and English. Aggressive Behavior (IF: 2.25), 33, 422-440. doi: 10.1002/ab.20195

* indicates equally contributing authors

Book sections

  • Gerger, H. & Gaab, J. (2016). Posttraumatic stress disorder outcome research: Why moderators should not be neglected. In: El-Baalbaki, G. & Fortin, C. (Eds.): Post-traumatic Stress Disorder, InTech, Rijeka
  • Steins, G., Gerger, H., Kley, H., Nerowski, R., Stahn, D., Todorovski, S., Trentowska, M. & Vielhaber, T. (2004). Aber Messie bin ich noch! Eine Interventionsfallstudie zum Messie-Phänomen. Lengerich: Pabst Science Publishers.

Open access contributions to science (not peer-reviewed)

  • Lakens ,D., Page-Gould, E., van Assen, M,. Spellman, B., Schönbrodt, F., Hasselman, F., Corker, K.S., Grange, J.A., Sharples, A., Cavender, C., Augusteihn, H., Gerger, H., Locher, C., Miller, I., Anvari, F., (2017): Examining the reproducibility of meta-analyses in psychology: A preliminary report. Retrieved from BITSS: