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Department of Social and Legal Psychology
JGU Mainz
Binger Str. 14-16
Room 01-121
55122 Mainz
tbertlic@uni-mainz.de
Phone: +49 6131 39 28301
Consultation hour by appointment via email

Since 11/2021Research associate at the Department of Social and Legal Psychology (University of Mainz)
03/2021 – 10/2021Research associate at the Psychology of Science Lab (University of Amsterdam)
09/2019 – 09/2021Master of Science with distinction in Psychology (University of Amsterdam)
  • Conspiracy Mentality and Radicalization
  • Political Attitudes in Youth
  • Populism
  • Bachelor Seminar “Current Topics in Social Psychology”

  • Bertlich, T., Flade, F., & Imhoff, R. (in principle accepted – Registered Report Stage 1). Defending or Defying Democracy? Investigating the Relationship Between Conspiracy Beliefs and Support for Democratic Principles. Journal of Experimental Social Psychology. https://doi.org/10.1016/j.jesp.2026.104909
  • Bertlich, T., Kazarovytska, F., & Imhoff, R. (2026). Just A Means to an End? Individuals Support Direct Democracy Instrumentally, Irrespective of Conspiracy Mentality. Journal of Experimental Social Psychology. https://doi.org/10.1016/j.jesp.2026.104905
  • Bertlich, T., Bräscher, A.-K., Germer, S., Witthöft, M.,& Imhoff, R. (2025). Owners of a conspiratorial heart? Investigating the longitudinal relationship between loneliness and conspiracy beliefs. British Journal of Social Psychology. https://doi.org/10.1111/bjso.12865
  • Imhoff, R., & Bertlich, T. (2024). Are conspiracy beliefs a sign of flawed cognition? Reexamining the association of cognitive style and skills with conspiracy beliefs. Harvard Kennedy School Misinformation Review. https://doi.org/10.37016/mr-2020-168
  • Zarzeczna, N., Bertlich, T., Gerstner, I., Rutjens, B. T. & von Hecker, U. (2024). Space as a mental toolbox in the representation of meaning. Royal Society Open Science. https://doi.org/10.1098/rsos.240985
  • Zarzeczna, N., Bertlich, T., Većkalov, B., & Rutjens, B. T. (2022). Spirituality is associated with Covid-19 vaccination scepticism. Vaccine. https://doi.org/10.1016/j.vaccine.2022.11.050 [Accepted manuscript]
  • Imhoff, R., Bertlich, T., & Frenken, M. (2022). Tearing apart the “evil” twins: A general conspiracy mentality is not the same as specific conspiracy beliefs. Current Opinion in Psychology, 101349. https://doi.org/10.1016/j.copsyc.2022.101349 [Accepted manuscript]
  • Schumann, S., Thomas, F., Ehrke, F., Bertlich, T., & Dupont, J. C. (2021). Maintenance or change? Examining the reinforcing spiral between social media news use and populist attitudes. Information, Communication & Society, https://doi.org/10.1080/1369118X.2021.1907435
  • Imhoff, R., & Bertlich, T. (2026). Stabilisieren sich verschwörungstheoretische Weltbilder bereits in der Jugend? In E. Firsova-Eckert, J. Schuster, & B. Vajen (Hrsg.) Verschwörungstheorien als Herausforderung in der Pädagogik und Politischen Bildung: Theoretische Ansätze und fachdidaktische Praxisperspektiven (pp. 35-49). Springer
  • Bertlich, T., Lamberty, P., Imhoff, R. (2024). Verschwörungsglauben in der Jugend. In R. Imhoff (Hrsg). Die Psychologie der Verschwörungstheorien: Von dunklen Mächten sonderbar belogen… (pp. 41-66). Hogrefe