Seifert, Andreas, Annegret Helen Hilligus, and Niclas Schaper. “Entwicklung und psychometrische Überprüfung eines Messinstruments zur Erfassung pädagogischer Kompetenzen in der universitären Lehrerbildung.” Lehrerbildung auf dem Prüfstand 2, no. 1 (2009): 82–103.

Lohan, Katrin Solveig, Anna-Lisa Vollmer, Jannik Fritsch, Katharina Rohlfing, and Britta Wrede. “Which Ostensive Stimuli Can Be Used for a Robot to Detect and Maintain Tutoring Situations?”https://doi.org/10.1109/acii.2009.5349507__In IEEE International Workshop on Social Signal Processing. International Computer Science Institute, 2009.https://doi.org/10.1109/acii.2009.5349507 .

Rolf, Matthias, Marc Hanheide, and Katharina Rohlfing. “Attention via Synchrony. Making Use of Multimodal Cues in Social Learning.”https://doi.org/10.1109/TAMD.2009.2021091__IEEE Transactions on Autonomous Mental Development 1, no. 1 (2009): 55–67.https://doi.org/10.1109/TAMD.2009.2021091 .

McGregor, Karla K., Katharina Rohlfing, Allison Bean, and Ellen Marschner. “Gesture as a Support for Word Learning: The Case of Under.”https://doi.org/10.1017/S0305000908009173__JOURNAL OF CHILD LANGUAGE 36, no. 04 (2009): 807–28.https://doi.org/10.1017/S0305000908009173 .

Booth, A. E, Karla K. McGregor, and Katharina Rohlfing. “Socio-Pragmatics and Attention: Contributions to Gesturally Guided Word Learning in Toddlers.”https://doi.org/10.1080/15475440802143091__Journal of Language Learning and Development 4, no. 3 (2009): 179–202.https://doi.org/10.1080/15475440802143091 .

Schillingmann, Lars, Britta Wrede, and Katharina Rohlfing. “Towards a Computational Model of Acoustic Packaging.”https://doi.org/10.1109/devlrn.2009.5175523__In International Conference on Development and Learning (ICDL 2009). IEEE, 2009.https://doi.org/10.1109/devlrn.2009.5175523 .

Schillingmann, Lars, Britta Wrede, Katharina Rohlfing, and Kerstin Fischer. “The Structure of Robot-Directed Interaction Compared to Adult- and Infant-Directed Interaction Using a Model for Acoustic Packaging.” In Spoken Dialogue and Human-Robot Interaction. International Computer Science Institute, 2009.

Lohse, Manja, Marc Hanheide, Katharina Rohlfing, and Gerhard Sagerer. “Systemic Interaction Analysis (SInA) in HRI.”https://doi.org/10.1145/1514095.1514114__In Proceedings of the 4th ACM/IEEE International Conference on Human Robot Interaction - HRI ’09, 93–100, 2009.https://doi.org/10.1145/1514095.1514114 .

Vollmer, Anna-Lisa, Katrin Solveig Lohan, Jannik Fritsch, Britta Wrede, and Katharina Rohlfing. “Which Motionese Parameters Change with Children’s Age?,” 2009.

Schillingmann, Lars, Britta Wrede, and Katharina Rohlfing. “Acoustic Packaging.” In HUROBIN09, 2009.