Anna Maria Planitzer, BA MA

Universitätsassistentin (Prae-Doc)

Main Research Areas and Interests

  • Digital Humanism in Political Communication
  • Automated Content Moderation
  • Toxicity Detection Systems
  • User Agency & User Effects

Anna Maria Planitzer is a Ph.D. candidate at the Political Communication (PolCom) Research Group at the University of Vienna, under the supervision of Univ.-Prof. Dr. Sophie Lecheler (University of Vienna) and Dr. Svenja Schäfer, M.A. (University of Vienna).

Within her cumulative dissertation project, Anna Maria Planitzer focuses on user-centric toxicity detection systems and transparent automated content moderation, as well as its attitudinal, behavioral and emotional effects on citizens and human content moderators. She is also part of the Transparent Automated Content Moderation (TACo) Project

Prior to her predoctoral employment, Anna Maria Planitzer worked as a research and teaching assistant to Univ.-Prof. Dr. Sophie Lecheler and the Political Communication Research Group, as well as a teaching assistant to external lecturers at the Department of International Development Studies at the University of Vienna. She further completed a Bachelor and Master Degree in Communication Science, and is studying towards a second Master qualification in International Development Studies at the University of Vienna. Additionally, she has worked in human rights education, as well as social management in different European countries. 


Kolingasse 14-16, 1090 Wien

Zi. 6.34

T: +43-1-4277-48324


Recent Publications


  • Boyer M. M., Schäfer S., Rebasso I., Planitzer A. M.: Hate Speech as Fuel for Stereotype Polarization: Differential Effects of Online Hate Speech and Counter Speech. 2021 APSA Annual Meeting, Seattle, USA. 
  • Schäfer, S., Rebasso, I., Planitzer, A. M., & Boyer, M. M.: Hate Speech als Treiber sozialer Ausgrenzung? Die Rolle von Hate Speech und Counter Speech für die Wahrnehmung sozialer Gruppen. RezFo 2022. Jahrestagung der Fachgruppe Rezeptions- und Wirkungsforschung (DGPuK), Düsseldorf, Germany. 
  • Schäfer, S., Rebasso, I., Planitzer, A. M., & Boyer, M. M.: Hate speech as a fuel for social disintegration? Effects of hate speech and counter speech for the perception of social groups. 72th Annual Conference of the International Communication Association (ICA) 2022, Paris, France.