Hi, I am Marius Leckelt
Behavioral Scientist and Data Enthusiast

A personality psychologist by training, I am interested in the impact of personality on people's lives across various domains. Outside my main research areas, I am also interested in data science and AI.

Personal Info

Download my CV here.
Email: marius.leckelt@gmail.com
Current position
Assistant Professor @ Johannes Gutenberg-University Mainz
PhD (2018) University of Münster
MSc (2013) University of Edinburgh

In the Media


Media Coverage & Public Outreach

  • My research has been featured in several print and online media outlets. I have also given interviews for newspapers and radio stations and done some consultancy work on 'dark pesonality traits'.

  • 05/DEC/2018

    Hessischer Rundfunk (HR 1) Radio interview on the personality of high-net-worth individuals

  • NOV/DEC/2018

    Our research on the personality of high-net-worth individuals has been covered in several national and international news outlets. For example: Daily Mail | WirtschaftsWoche | WELT | Berliner Morgenpost | Der Standard

  • 29/NOV/2017

    WDR3 Resonanzen Radio interview on the "narcissism epidemic"

  • 25/NOV/2017

    Süddeutsche Zeitung I am so pretty - How narcissistic are Millenials? PDF

  • 31/SEP/2017

    ZEIT Online "Beat the Prof" Quiz on narcissism

  • MAY/2017

    Gehirn und Geist Ego on the Edge

  • 20/FEB/2017

    WDR 1LIVE Radio interview on Donald Trump and narcissism

  • 17/FEB/2017

    SWR Aktuell Radio interview on Donald Trump and narcissism

  • 07/FEB/2017

    Die ZEIT Trump only loves himself

  • 06/FEB/2017

    Consulting for the German political talk show hartaberfair on differentiating narcissism from psychopathy LINK

  • 01/NOV/2016

    Die WELT/WELT.de - Donald Trump – A Textbook Example Narcissist

  • 12/APR/2016

    Association for Psychological Science - New Study Busts Some Myths About Millenials

  • 07/DEC/2015

    Welt am Sonntag - Why radically ruthless people get ahead

  • 29/SEP/2015

    Scientific American - Why Do Narcissists Lose Popularity Over Time?

  • Publications




    • 2019

      Weber, S., Geukes, K., LECKELT, M., & Back, M. D. (in press). The attractiveness of narcissists: Hard work or natural beauty?. Self & Identity PDF

      Mota, S., LECKELT, M., Geukes, K., Humberg, S., Haffke, A., Schröder-Abé, M., Nestler, S., Schmukle, S., & Back, M. D. (in press). A Comprehensive Examination of Narcissists’ Self-Perceived and Actual Socioemotional Cognition Ability. COLLABRA: PSYCHOLOGY, 5(1): 6 PDF

    • 2018

      LECKELT, M., Richter, D., Schröder, C., Küfner, A. C. P., Grabka, M. M., & Back, M. D. (2018). The rich are different: Unraveling the perceived and self-reported personality profiles of high net-worth individuals. BRITISH JOURNAL OF PSYCHOLOGY PDF

      Vecchione, M., Dentale, F., Graziano, M., Dufner, M., Wetzel, E., LECKELT, M., & Back, M. D. (in press). An Italian validation of the Narcissistic Admiration and Rivalry Questionnaire (NARQ): Further evidence for a two-dimensional model of grandiose narcissism. APPLIED PSYCHOLOGY BULLETIN, 66 PDF (paywalled)

      LECKELT, M., Wetzel, E., Gerlach, T. M., Ackerman, R. A., Miller, J. D., Chopik, W. J., …, Back, M. D. (in press). Validation of the Narcissistic Admiration and Rivalry Questionnaire short scale (NARQ-S) in convenience and representative samples. PSYCHOLOGICAL ASSESSMENT, 30, 86—96 PDF

    • 2017

      Mahmoodi, J., LECKELT, M., van Zalk, M.W.H., Geukes, K., & Back, M. D. (2017). Big Data approaches in social and behavioral science: Four key trade-offs and a call for integration. CURRENT OPINION IN BEHAVIORAL SCIENCES, 18, 57—62 PDF

      Grosz, M. P., Emons, W. H. M., Wetzel, E., LECKELT, M., Chopik, W. J., Rose, N., & Back, M. D. (in press). A Comparison of Unidimensionality and Measurement Precision of the Narcissistic Personality Inventory and the Narcissistic Admiration and Rivalry Questionnaire. ASSESSMENT PDF

      Nestler, S., LECKELT, M., Back, M. D., von der Beck, I., Cress, U., & Oeberst, A. (2017). The production of scientific information on the internet using the example of Wikipedia [Produktion von naturwissenschaftlichen Informationen im Internet am Beispiel von Wikipedia]. PSYCHOLOGISCHE RUNDSCHAU, 68, 172—176. PDF

    • 2016

      Wetzel, E., LECKELT, M., Gerlach, T. J., & Back, M. D. (2016). Distinguishing subgroups of narcissists with latent class analysis. EUROPEAN JOURNAL OF PERSONALITY, 30, 374—389 PDF

      LECKELT, M., Back, M. D., Foster, J. D., Hutteman, R., Jaeger, G., McCain, J., Twenge, J. M., & Campbell, W. K. (2016). Entering adulthood in a recession tempers later narcissism—But only in men. JOURNAL OF RESEARCH IN PERSONALITY, 60, 8—11 PDF

    • 2015

      LECKELT, M., Küfner, A. C. P., Nestler, S., & Back, M. D. (2015). Behavioral processes underlying the decline of narcissists‘ popularity over time. JOURNAL OF PERSONALITY AND SOCIAL PSYCHOLOGY, 109, 856—871 PDF

    Book chapters

    • 2018

      Back, M.D., Küfner, A.C.P., & LECKELT, M. (2018). Early Impressions of Grandiose Narcissists: A Dual-Pathway Perspective. In A. D. Hermann, A. Brunell, & J. Foster (Eds.), The Handbook of trait narcissism: Key advances, research methods, and controversies (pp. 309—316). New York, NY: Springer PDF

    Where to find me


    Contact info

    I am currently situated at the Department of Psychology - Section of Personality Psychology and Psychological Assessment at the University of Mainz.

    • Binger Str. 14-16
    • +49 (6131) 3939157
    • mleckelt@uni-mainz.de