Associated researcher in the Health Communication working group at Bernhard Nocht Institute for Tropical Medicine (BNITM) (Extern)

Office hours

Monday, 9-10 a.m., during the semester break by appointment

Mailing address

Bernhard-Nocht-Institut für Tropenmedizin
AG Gesundheitskommunikation
Bernhard-Nocht-Straße 74
D-20359 Hamburg

Member (Institute for Planetary Health Behaviour (IPB))

Dr. Mattis Geiger


Mattis Geiger is a post-doctoral researcher interested in psychological measurement, specifically regarding social traits, decision making, behavior, and abilities. He received the Dr.rer.nat. in 2021 (Thesis: Out-of-the-Box Measurement Approaches for Complex Interpersonal Traits) and his M.Sc. in 2015 (Thesis: Interpersonal Abilities and the Ability to Control Facial Expressions at Pains) from Ulm University. 

His current research focuses on vaccination and antibiotics use related behavior and knowledge, pain-incentivized social dilemmas, replicability of health communication interventions, and the measurement of interpersonal abilities. He joined Cornelia Betsch's Health Communication working group at the Bernhard-Nocht-Institute for Tropical Medicine in Hamburg in 2022.

Areas of expertise: psychology, measurement, individual differences, emotion, abilities

Curriculum Vitae

Academic career

  • 2015 – 2021          Dissertation in Psychology (Dr.rer.nat), Ulm University 
  • 2013 – 2015          Master of Science in Psychology, Ulm University
  • 2010 – 2013          Bachelor of Science in Psychology, Ulm University


  • 2022 – present     Post-doctoral research associate, Health Communication, Department of Implementation Research, Bernard Nocht Institute for Tropical Medicine, Hamburg
  • 2015 – 2022           Research assistant, Dept. for Individual Differences and Psychological Assessment, Institute for Psychology and Education, Ulm University
  • 2014                       Visiting Scholar and Consultant at Educational Testing Services (ETS), Department Research and Development in Princeton, New Jersey, USA