Her areas of work at the DISS are studies on political, media and everyday discourses in the Federal Republic of Germany with a focus on gender, racism, migration and right-wing extremism.
Together they developed the research methodology of "critical discourse analysis" at the DISS, which is also known as the "Duisburg School" after its approach.
It is a further development of the discourse theories of Michel Foucault, Jürgen Link and Siegfried Jäger.
Together with Manfred Coppik, Karl-Heinz Hansen, Brigitte Kiechle, Herwart Achterberg, Harald Wolf, Marie Veit and others, she was a member of the 1st Federal Executive Committee.
Zeitung für das Ruhrgebiet, founded in 1978,[3] which was temporarily published by the Duisburg-based Margret Jäger Revier Verlag, which she managed from 1977 to 1985.