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Stefan Schaffer

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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

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Publications

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I

Schaffer, S., Schleicher, R. and Möller, S. (2015). Modeling Input Modality Choice in Mobile Graphical and Speech Interfaces [10]. Int. Journal of Human-Computer Studies, 21–34.

Link to publication [11] Link to original publication [12]

Wechsung, I., Engelbrecht, K.-P., Naumann, A., Schaffer, S., Seebode, J., Metze, F. and Möller, S. (2009). Predicting the Quality of Multimodal Systems Based on Judgements of Single Modalities [13]. Proceedings of the 10th Annual Conference of the ISCA (Interspeech 2009). International Speech Communication Association (ISCA), 1827–1830.

Link to publication [14] Link to original publication [15]

Wechsung, I., Engelbrecht, K.-P., Schaffer, S., Seebode, J., Metze, F. and Möller, S. (2009). Usability Evaluation of Multimodal Interfaces: Is the whole the sum of its parts? [16]. 13th International Conference on Human-Computer Interaction (HCI International 2009), Part 2. Springer, 113–119.

Link to publication [17] Link to original publication [18]

Wechsung, I., Engelbrecht, K.-P., Schaffer, S., Seebode, J., Metze, F. and Möller, S. (2009). Evaluation multimodaler Schnittstellen: Ist das Ganze die Summe seiner Teile? [19]. Mensch und Computer 2009. 9. fachübergreifende Konferenz für interaktive und koooperative Medien - Grenzenlos frei 2009.. Oldenbourg, 495–498.

Link to publication [20] Link to original publication [21]

Schaffer, S., Jöckel, B., Wechsung, I., Schleicher, R. and Möller, S. (2011). Modality Selection and Perceived Mental Effort in a Mobile Application [22]. Proc. 12th Ann. Conf. of the Int. Speech Communication Assoc. (Interspeech 2011). International Speech Communication Association (ISCA), 2253–2256.

Link to publication [23]

Schaffer, S., Schleicher, R. and Möller, S. (2011). Measuring Cognitive Load for different Input Modalities [24]. 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 [25]. HCI International. Springer, 337–346.

Link to publication [26]

Schaffer, S., Schleicher, R. and Möller, S. (2011). Simulation von Benutzerverhalten im Umgang mit multimodalen Diensten [27]. 9. Berliner Werkstatt Mensch-Maschine-Systeme. VDI Verlag, 110–111.

Schaffer, S. (2008). Integration eines Spracherkenners in ein Rauminformationssystem [28]. TU Berlin

Möller, S., Wechsung, I., Schaffer, S., Schleicher, R. and Seebode, J. (2010). Neugestaltung der VDE-ITG-Richtlinie zur Bewertung von Kommunikationsendeinrichtungen [29]. Sprachkommunikation 2010. Beiträge der 9. ITG-Fachtagung. VDE-Verlag, DE-Berlin.

Link to publication [30]

Schaffer, S. (2010). Modeling of Modality Selection in Multimodal Human-Computer Interaction [31]. Proceedings of the 10th International Conference on Cognitive Modeling (ICCM), 321–322.

Schaffer, S. (2010). Nutzung modalitätsspezifischer Abkürzungen in multimodaler Mensch-Maschine-Interaktion [32]. Proceedings of KogWis 2010 10th Biannual Meeting of the German Society for Cognitive Science, 45.

Schaffer, S. (2010). Strategiewahl bei multimodaler Mensch-Maschine-Interaktion [33]. Tagungsband Kongress der Deutschen Gesellschaft für Psychologie, 349.

Schulz, M., Runge, M., Schaffer, S., Seebode, J., Weiss, B. and Möller, S. (2010). Simulation des Verhaltens älter Nutzer zur Evaluation eines AAL-Interfaces [34]. Deutscher AAL Kongress, Berlin. VDE Verlag.

Link to publication [35]

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 [36]. Invited Talk, Colloquium on Quality of Experience in Multimedia Systems and Services

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