@inproceedings{Schumacher2021b, author = "C. Schumacher and N. Reich-Stiebert and J. Kuzilek and M. Burchart and J. Raimann and J.-B. Voltmer and S. Stürmer", title = "Group perceptions vs. group reality: Exploring the fit of self-report and log file data in the process of collaboration.", year = 2021, journal = "Poster presented at the Conference on Learning Analytics and Knowledge, Virtual Conference, 15-04-2021", month = "Apr" }