Dr. Thomas Roessing
Responsibilities
- Project assistant in the research project "Journalism and Democracy"

Fields of research and teaching
- Journalism research
- Online research, esp. Wikipedia
- Philosophy of Science and methodology of social sciences
Background
- Since 09/2024 project assistant at the IJ (part-time) and freelance consultant, author, and speaker
- Since 11/2019 freelance consultant, author, and speaker
- 2015-2019 project manager at Media Consulting Team Dortmund GmbH
- 2007 PhD in Communication research
- 2002-2014 research assistant (2010-2011 locum Professor for Media Convergence), Johannes Gutenberg-Universität Mainz
- 2000-2002 project assistant and lecturer, Universität Mannheim
- 1994-1998 studied Communication Research, Political Science, and Crminial Law at Johannes Gutenberg-Universität Mainz, Master of Arts
Publications (selection)
Journal articles:
- Roessing, Thomas / Jackob, Nikolaus / Renner, Karl N. (2016): Product placement and the credibility of television journalism. Communications: The European Journal of Communication Research, 41(2), pp. 167-193. doi: 10.1515/commun-2016-0002
- Roessing, Thomas, / Einwiller, Sabine (2016): Portrayals of Large Corporations in the English and German Version of Wikipedia – Exploring Similarities and Differences. Corporate Reputation Review, 19(2), pp. 108–126. doi:10.1057/crr.2016.3
- Geiss, Stefan / Leidecker, Melanie / Roessing, Thomas. (2015)*: The interplay between media-for-monitoring and media-for-searching: How news media trigger searches and edits in Wikipedia. New Media & Society. doi:10.1177/1461444815600281
- Roessing, Thomas (2010): Authorship in Wikipedia – Legal Requirements, Community Opinions, and Technical Boundaries. In: Masaryk University Journal of Law and Technology 4, S. 35-45.
- Roessing, Thomas (2008): Opinion Formation in Wikipedia – Theory, Measurement, and Findings. In: Masaryk University Journal of Law and Technology 2, S. 163-176.
- Roessing, Thomas (2007)*: Extremism in Cyberspace. How Political, Ideological, and Religious Extremists and Intense Minorities Make Use of the World Wide Web. In: Masaryk University Journal of Law and Technology 1, S. 1-9.
Articles in anthologies and encyclopedias:
- Roessing, Thomas (2019): Wikis and Wikinews. In: Tim P. Vos, Folker Hanusch, Dimitra Dimitrakopoulou, Margaretha Geertsema-Sligh, and Annika Sehl (Eds.): The International Encyclopedia of Journalism Studies. John Wiley & Sons, Inc. Hoboken. DOI: 10.1002/9781118841570.iejs0183.
- Roessing, T. (2017): Spiral of Silence: General and Individual Media Tone. In: Rössler, P. (Ed.). The International Encyclopedia of Media Effects. Hoboken, NJ: John Wiley& Sons. doi: 10.1002/9781118783764.wbieme0036
- Roessing, Thomas (2016): Public Opinion. In: Carroll, C. E. (Ed.). The SAGE Encyclopedia of Corporate Reputation. 2455 Teller Road, Thousand Oaks, California 91320: SAGE Publications, Inc. Pp. 591-593.
- Roessing, Thomas (2016): Spiral of Silence Theory. In: Carroll, C. E. (Ed.). The SAGE Encyclopedia of Corporate Reputation. 2455 Teller Road, Thousand Oaks, California 91320: SAGE Publications, Inc. Pp. 784-785.
- Jackob, Nikolaus / Roessing, Thomas / Petersen, Thomas (2016): Effects of Verbal and Non-Verbal Elements in Communication. In: Louis de Saussure & Andrea Rocci (Eds.): Verbal Communication (Handbooks of Communication Science, HoCS 3.) Berlin, Boston: De Gruyter Mouton. Pp. 39-53.
- Roessing, Thomas (2013): The Spiral of Silence and the Wikipedia Online Community. In Patricia Moy (Ed.): Communication and Community. New York: Hampton Press. S. 171–187.
- Roessing, Thomas / Jackob, Nikolaus / Petersen, Thomas (2009): The Explanatory Power of RTR Graphs: Measuring the Effects of Verbal and Nonverbal Presentation in Persuasive Communication. In: Jürgen Maier, Michaela Maier, Marcus Maurer & Carsten Reinemann (Ed.): RTR-Measurement in the Social Sciences. Frankfurt am Main: Peter Lang-Verlag. S. 85-95.
- Roessing, Thomas (2006): Use of Electronic Guestbooks and Bulletin Board Systems on Right- and Left-Wing Extremists’ Web Sites. In: Radim Polčák / Martin Škop / David Šmahel (Eds.): Cyberspace 2005. Brno: Masaryk University. S. 147-154.