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Stefan Schaffer

Lupe [1]

Research Field

Usability

Research Topics

• Multimodal Human-Computer Interaction
• Model-based Usability Evaluation
• User Modeling

Biography

Stefan Schaffer studied Communication Science and Computer Science at the Technical University Berlin. In 2009 he completed his degree and received the Willumeit prize [2] for his Magister thesis. He has joined the research training group prometei [3] and is currently working towards his PhD thesis in the domain of model-based usability evaluation of multimodal systems.

Address

Technische Universität Berlin
Zentrum Mensch-Maschine-Systeme
Graduiertenkolleg prometei
Sekretariat FR 2-6
Franklinstr. 28/29
D-10587 Berlin

Tel: +49 (30) 314 - 29637
Fax: +49 (30) 314 - 25996

Lupe [4]


Publications

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Metze, F., Wechsung, I., Schaffer, S., Seebode, J. and Möller, S. (2009). Reliable Evaluation of Multimodal Dialog Systems [10]. 13th International Conference on Human-Computer Interaction (HCI International 2009), Part 2. Springer, 75–83.

Link to publication [11]

Möller, S., Wechsung, I., Schaffer, S., Schleicher, R. and Seebode, J. (2010). Neugestaltung der VDE-ITG-Richtlinie zur Bewertung von Kommunikationsendeinrichtungen [12]. Sprachkommunikation 2010. Beiträge der 9. ITG-Fachtagung. VDE-Verlag, DE-Berlin.

Link to publication [13]

Möller, S., Hillmann, S., Engelbrecht, K.-P., Hinterleitner, F., Köster, F., Kretzschmar, F., Schulz, M. and Schaffer, S. (2012). Quality Prediction for Speech-based Telecommunication Services [14]. Invited Talk, Colloquium on Quality of Experience in Multimedia Systems and Services


Möller, S., Schmidt, S., Engelbrecht, K.-P., Kretzschmar, F., Schulz, M. and Schaffer, S. (2012). Simulating User-system Interactions for Designing Usable Systems [15]. Invited Talk, Informatik-Kolloquium


Möller, S., Schmidt, S., Engelbrecht, K.-P., Kretzschmar, F., Schulz, M., Schaffer, S. and Wältermann, M. (2012). Quality Prediction of Speech-based Services [16]. Invited Talk, Fourteenth ISE Seminar, Faculty of Information Sciences and Engineering


S

Schaffer, S., Schleicher, R. and Möller, S. (2015). Modeling Input Modality Choice in Mobile Graphical and Speech Interfaces [17]. Int. Journal of Human-Computer Studies, 21–34.

Link to publication [18] Link to original publication [19]

Schaffer, S., Jöckel, B., Wechsung, I., Schleicher, R. and Möller, S. (2011). Modality Selection and Perceived Mental Effort in a Mobile Application [20]. Proc. 12th Ann. Conf. of the Int. Speech Communication Assoc. (Interspeech 2011). International Speech Communication Association (ISCA), 2253–2256.

Link to publication [21]

Schaffer, S., Schleicher, R. and Möller, S. (2011). Measuring Cognitive Load for different Input Modalities [22]. 9. Berliner Werkstatt Mensch-Maschine-Systeme. VDI Verlag, 287–292.


Schaffer, S., Schleicher, R. and Möller, S. (2011). A Model of Shortcut Usage in Multimodal Human-Computer Interaction [23]. HCI International. Springer, 337–346.

Link to publication [24]

Schaffer, S., Schleicher, R. and Möller, S. (2011). Simulation von Benutzerverhalten im Umgang mit multimodalen Diensten [25]. 9. Berliner Werkstatt Mensch-Maschine-Systeme. VDI Verlag, 110–111.


Schaffer, S. (2008). Integration eines Spracherkenners in ein Rauminformationssystem [26]. TU Berlin


Schaffer, S. (2010). Modeling of Modality Selection in Multimodal Human-Computer Interaction [27]. Proceedings of the 10th International Conference on Cognitive Modeling (ICCM), 321–322.


Schaffer, S. (2010). Nutzung modalitätsspezifischer Abkürzungen in multimodaler Mensch-Maschine-Interaktion [28]. Proceedings of KogWis 2010 10th Biannual Meeting of the German Society for Cognitive Science, 45.


Schaffer, S. (2010). Strategiewahl bei multimodaler Mensch-Maschine-Interaktion [29]. Tagungsband Kongress der Deutschen Gesellschaft für Psychologie, 349.


Schaffer, S. and Minge, M. (2012). Error-prone Voice and Graphical User Interfaces in a Mobile Application [30]. Sprachkommunikation: Beiträge zur 10. ITG-Fachtagung vom 26. bis 28. September 2012 in Braunschweig. VDE-Verlag, 1–4.


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