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DebateLab brings together scholars who

# study normative models of reasoning and argumentation;

# carry out logical analyses of policy debates and scientific controversies;

# develop methods and tools to improve the argumentative quality of public reasoning.

DebateLab @ KIT

Moral Philosophy and Politics

Moral Philosophy and Politics (MOPP) ist eine internationale Zeitschrift, die philosophische Beitrage zu Themen von öffentlicher Relevanz publiziert. Editor-in-chief: Michael Schefczyk. Managing editor: Christoph Schmidt-Petri.

MOPP Homepage



Gregor Betz und Tamara Mchedlidze





It may be hard to grasp the variety of opinions on a complex issue. OpMAP helps to make sense of large opinion samples by visualizing them in form of a map. Most people are familiar with geographic maps and even enjoy examining them. OpMAP makes use of the map metaphor to create a highly intuitive visualization that readily unveils the opinion data and its underlying structure.

In order to apply OpMAP to a debate, opinions have to be elicited in a structured way. The simplest way to do this is by means of an online survey.

OpMAP takes as an input the results of such a survey and constructs a map of the opinions that are maintained by the participants of the survey. OpMAP is dynamic, so it continuously updates the opinion map as more people participate in the survey.

OpMAP can be applied to a debate and the corresponding survey on any topic of interest.

  • Betz, Gregor; Hamann, Michael; Mchedlidze, Tamara; von Schmettow, Sophie 2019. "Applying argumentation to structure and visualize multi-dimensional opinion spaces", Argument & Computation, vol. 10, no. 1, pp. 23-40.  [link]