Dr. rer. nat. Jan Christopher Cwik 


Psychologischer Psychotherapeut (Verhaltenstherapie)

Kinder- und Jugendlichenpsychotherapie

staatlich anerkannter Supervisor



Dürener Str. 89

City Passage

50931 Köln


Email: jcwik@uni-koeln.de

Tel: 0221/470-3019

Main research interests

- Psycho-oncology 

- Clinical assessment and diagnostic accuracy (i.e., structured interviews, diagnostic biases, misdiagnoses)

- Trauma-related disorders (i.e., acute stress disorder and posttraumatic stress disorder)

- Functional neuroimaging and psychophysiology

- Health services research



2017 - present

PostDoc with Prof. Dr. A. Gerlach, Clinical Psychology and Psychotherapy, University of Cologne


2013 - 2017

PostDoc with Humbolt-Professor Dr. J. Margraf and Professor Dr. S. Schneider, Mental Health Research and Treatment Center, Ruhr-Universität Bochum


2012 - 2013

Research assistant to Prof. Dr. S. Löber and Prof. Dr. A. Martin, Clinical Psychology and Psychotherapy, Bergische Universität Wuppertal, Germany


2011 - 2012

Scientific assistant to Prof. Dr. G. Sartory and PD Dr. K. Elsesser, Clinical Psychology and Psychotherapy, Bergische Universität Wuppertal, Germany


2010 - 2011

Psychotherapist in training, St. Vinzenz Hospital, Dinslaken, Germany


2008 - 2009

Teaching assistant for multivariate data analysis to Dr. G. Molz, Bergische Universität Wuppertal, Germany



2011 - 2016

PhD student with Prof. Dr. G. Sartory, Faculty of Human and Social Sciences, Bergische Universität Wuppertal, Germany


2010 - 2013

Psychotherapeutic training (Cognitive Behavioral Therapy), Mental Health Research and Treatment Center, Faculty of Psychology, Ruhr-Universität Bochum, Germany


2005 - 2010

Psychology study (Diploma), Bergische Universität Wuppertal, Germany


Psychotherapeutic additional qualifications

- Psycho-oncology (Weiterbildung Psychoonkologie (DKG))

- Child and youth psychotherapy (Zusatzqualifikation "Kinder- und Jugendpsychotherapie")

- Trauma therapy ("Spezielle Psychotraumatherapie (DeGPT)")

- Admission as psychotherapist for the German statutory accident insurances (Zulassung im Psychotherapeutenverfahren der DGUV)

- Group psychotherapy (Zusatzqualifikation "Gruppentherapie")  

- Relaxation techniques (Zusatzqualifikation "Entspannungsverfahren")

- Training in the performance and evaluation of the DIPS-Interview

- Clinical hypnosis (Zusatzqualifikation "Klinische Hypnose")

- Eye Movement Desensitization and Reprocessing (EMDR)  

- Psychological first aid ("Notfallpsychologie (BDP)")

- Psychological assessment of the consequences of psychological traumatization in the social compensation law and the statutory accident insurance (Begutachtung reaktiver psychischer Traumafolgen (DeGPT) im sozialen Entschädigungsrecht und der gesetzlichen Unfallversicherung)

- Psychological assessment for gun acquisition (Begutachtung nach §6 Waffengesetz)


Awards and grants 


Travel Grant of the German Academic Exchange Service (DAAD) for the 46th EABCT Conference 2016 (Stockholm, Sweden) 



PhD Scholarship by the Bergische Universität Wuppertal, Germany


2006 – 2010

Scholarship by the Friedrich-Naumann-Stiftung für die Freiheit


Peer reviewer activities

Behavior Therapy; Biological Psychiatry; BMC Psychiatry; Clinical Psychology and Psychotherapy; Crisis; Cognitive Therapy and Research; Current Psychology; ISTSS Meeting Comtee 2016; ISTSS Meeting Comtee 2017; ISTSS Meeting Comtee 2018; Journal of Behavior Therapy and Experimental Psychiatry; Journal of Clinical Psychology; Journal of Medical Research; Zeitschrift für Klinische Psychologie und Psychotherapie



in press

Woud, M. L.*, Cwik, J. C.*, de Kleine, R. A., Blackwell, S. E., Würtz, F. & Margraf, J. (in press). Assessing trauma-related appraisals by means of scenario-based approach. Cognitive Therapy and Research.


Schumacher, S., Niemeyer, H., Engel, S., Cwik, J., & Knaevelsrud, C. (in press). Psychotherapeutic treatment and HPA axis regulation in posttraumatic stress disorder: a systematic review and meta-analysis. Psychoneuroendocrinology.



Blackwell, S. E., Westermann, K., Woud, M. L., Cwik, J. C., Neher, T., Graz, C., Nyhuis, P. W., & Margraf, J. (in press). Computerized positive mental imagery training versus cognitive control training versus treatment as usual in patient mental health settings: study protocol for a randomized controlled feasibility trial. Pilot and Feasibility Studies, 4:133. http://doi.org/10.1186/s40814-018-0325-1


Bussmann, S.*, Vaganian, L.*, Kusch, M., Labouvie, H., Gerlach, A. L., & Cwik, J. C. (2018). Angst und Emotionsregulation bei Krebspatienten. Psychotherapeut63(3), 194–203. http://doi.org/10.1007/s00278-018-0283-3  


Cwik, J. C., Kessler, H., Herpertz, S., Becker, G., Janetzky, S., Sheverdina, A., … Teismann, T. (2018). Konkordanz von DSM-5®-Diagnosen basierend auf diagnostischen Interviews mit Personen mit psychischen Störungen und ihren Angehörigen: Implikationen für die Methode der psychologischen Autopsie. Psychotherapie, Psychosomatik, Medizinische Psychologie68, 75–81. http://doi.org/10.1055/s-0043-118653


Humbel, N., Messerli-Bürgy, N., Schuck, K., Wyssen, A., Garcia-Burgos, D., Biedert, E., Lennertz, J., Meyer, A. H., Whinyates K., Isenschmid, B., Milos, G., Trier, S., Adolph, D., Cwik, J., Margraf, J., Assion, H.-J., Teismann, T., Ueberberg, B., Juckel, G., Müller, J., Klauke, B., Schneider, S., & Munsch, S. (2018). Self-reported emotion regulation difficulties are associated with mood but not with the biological stress response to thin ideal exposure. PLoS ONE, 13(6), e0199769. http://doi.org/10.1371/journal.pone.0199769 


Woud, M. L., Blackwell, S. E., Cwik, J. C., Margraf, J., Holmes, E. A., Steudte-Schmiedgen, S., Herpertz, S., & Kessler, H. (2018). Augmenting inpatient treatment for post-traumatic stress disorder with a computerized cognitive bias modification procedure targeting appraisals (CBM-App): protocol for a randomized controlled trial. BMJ Open, 8, e019964. http://doi.org/10.1136/bmjopen-2017-019964 


Woud, M. L., Cwik, J. C., Blackwell, S. E., Kleim, B., Holmes, E. A., Adolph, D., … Margraf, J. (2018). Does napping enhance the effects of Cognitive Bias Modification-Appraisal training? An experimental study. PLoS ONE13(2), e0192837. http://doi.org/10.1371/journal.pone.0192837


Woud, M. L., Zlomuzica, A., Cwik, J. C., Margraf, J., Shkreli, L., Blackwell, S. E., … Ehring, T. (2018). Effects of appraisal training on responses to a distressing autobiographical event. Journal of Anxiety Disorders, 56, 26–34. http://doi.org/10.1016/j.janxdis.2018.03.010



Cwik, J. C., & Margraf, J. (2017). Information order in clinical psychological diagnoses. Clinical Psychology and Psychotherapy24(5), 1142–1154. http://doi.org/10.1002/cpp.2080


Cwik, J. C., Sartory, G., Nuyken, M., Schürholt, B., & Seitz, R. J. (2017). Posterior and prefrontal contributions to the development of posttraumatic stress disorder symptom severity: an fMRI study of symptom provocation in acute stress disorder. European Archives of Psychiatry and Clinical Neuroscience267(6), 495–505. http://doi.org/10.1007/s00406-016-0713-6


Cwik, J. C., Siegmann, P., Willutzki, U., Nyhuis, P., Wolter, M., Forkmann, T., … Teismann, T. (2017). Brief Reasons for Living inventory: a psychometric investigation. BMC Psychiatry17:358. http://doi.org/10.1186/s12888-017-1521-x

Cwik, J. C., & Teismann, T. (2017). Misclassification of self-directed violence. Clinical Psychology and Psychotherapy24(3), 677–686. http://doi.org/10.1002/cpp.2036


Cwik, J. C., Till, B., Bieda, A., Blackwell, S. E., Walter, C., & Teismann, T. (2017). Measuring attitudes towards suicide: preliminary evaluation of an attitude towards suicide scale. Comprehensive Psychiatry72, 56–65. http://doi.org/10.1016/j.comppsych.2016.09.008


Margraf, J., Cwik, J. C., Pflug, V., & Schneider, S. (2017). Strukturierte klinische Interviews zur Erfassung psychischer Störungen über die Lebensspanne: Gütekriterien und Weiterentwicklungen der DIPS-Verfahren. Zeitschrift Für Klinische Psychologie und Psychotherapie46(3), 176–186. http://doi.org/10.1026/1616-3443/a000430


Merten, E. C., Cwik, J. C., Margraf, J., & Schneider, S. (2017). Overdiagnosis of mental disorders in children and adolescents (in developed countries). Child and Adolescent Psychiatry and Mental Health11:5. http://doi.org/10.1186/s13034-016-0140-5


Schumacher, S., Niemeyer, H., Engel, S., Cwik, J., & Knaevelsrud, C. (2017). HPA axis regulation in posttraumatic stress disorder: a meta-analysis. Psychoneuroendocrinology83(2017), 38–39. http://doi.org/10.1016/j.psyneuen.2017.07.342



Cwik, J. C., Papen, F., Lemke, J.-E., & Margraf, J. (2016). An investigation of diagnostic accuracy and confidence associated with diagnostic checklists as well as gender biases in relation to mental disorders. Frontiers in Psychology7:1813. http://doi.org/10.3389/fpsyg.2016.01813


Teismann, T., Pläp, L., Prinz, S., & Cwik, J. C. (2016). Fearlessness about death and perceived capability to die by suicide in seventh, eighth and ninth graders. Suicidology Online7, 32–39.



Cwik, J. C., Sartory, G., Schürholt, B., Knuppertz, H., & Seitz, R. J. (2014). Posterior midline activation during symptom provocation in acute stress disorder: an fMRI study. Frontiers in Psychiatry5:49. http://doi.org/10.3389/fpsyt.2014.00049



Sartory, G., Cwik, J. C., Knuppertz, H., Schuerholt, B., Lebens, M., Seitz, R. J., & Schulze, R. (2013). In search of the trauma memory: a meta-analysis of functional neuroimaging studies of symptom provocation in posttraumatic stress disorder (PTSD). PLoS ONE8(3), e58150. http://doi.org/10.1371/journal.pone.0058150


Sartory, G., Röper, G., Pietrowsky, R., Cwik, J., & Zaudig, M. (2013). Symptomkategorien der Zwangsstörung - spezifisch oder generalisiert? Ein Vergleich zwischen der Yalse-Brown Obsessive-Compulsive Skala (Y-BOCS) und dem Vancouver Obsessional Compulsive Inventar (VOCI). Zeitschrift Für Klinische Psychologie und Psychotherapie42(2), 107–117. http://doi.org/10.1026/1616-3443/a000197


 * Shared first authorship 


Book chapters 

Cwik, J. C., & Margraf, J. (2017). Classification systems across the globe. In S. G. Hofmann (Ed.), Clinical psychology: a global perspective (pp. 15–28). New York: John Wiley & Sons.


Cwik, J. C., & Walter, C. (2018). Der Einsatz von SP in Lehre und Forschung der Klinischen Psychologie und Psychotherapie. In T. Peters & C. Thrien (Eds.), Simulationspatienten – Handbuch für die Aus- und Weiterbildung in medizinischen Berufen (pp. 209–221). Göttingen: Hogrefe.


Molz, G., Cwik, J. C., & Iskenius, M. (2009). The suggestive impact of cognitive illusions on interactive information exchange processes on terrorism. In A. T. Heatherton & V. A. Walcott (Eds.), Handbook on Social Interactions in the 21st Century (pp. 111–123). Hauppauge, NY: Nova Science Publishers.


Diagnostic instruments

Cwik, J. C., & Woud, M. L. (2015). Deutsche Übersetzung der CLINICIAN-ADMINISTERED PTSD SCALE FOR DSM-5 (CAPS-5). Bochum: Mental Health Research and Treatment Center, Ruhr-Universität Bochum.


Margraf, J., & Cwik, J. C. (2017). Mini-DIPS Open Access: Diagnostisches Kurzinterview bei psychischen Störungen (2. Ed.). Bochum: Forschungs- und Behandlungszentrum für psychische Gesundheit, Ruhr-Universität Bochum. http://doi.org/10.13154/rub.102.91


Margraf, J., Cwik, J. C., Suppiger, A., & Schneider, S. (2017). DIPS Open Access: Diagnostisches Interview bei psychischen Störungen (5. Ed.). Bochum: Forschungs- und Behandlungszentrum für psychische Gesundheit, Ruhr-Universität Bochum. http://doi.org/10.13154/rub.100.89



- American Psychological Association (APA)

- Association for Psychological Science (APS)

- European Association of Clinical Psychology and Psychological Treatment (EACLIPT)

- European Society for Traumatic Stress Studies (ESTSS)

- American Association for the Advancement of Science (AAAS)

- Deutsche Gesellschaft für Psychologie (DGPs)

- Deutschsprachige Gesellschaft für Psychotraumatologie (DeGPT)

- Psychotherapeutenkammer NRW

- Deutsche Gesellschaft für Verhaltenstherapie (DGVT)

- Deutsche Psychotherapeutenvereinigung (DPtV)