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TU Berlin

Inhalt des Dokuments

Ina Wechsung


Research Field:


Research Topics:

• Usability Evaluation Methods
• Usability Evaluation Of Multimodal Systems
• Usable Privacy & Security


Ina Wechsung is working as a research assistant (Wissenschaftlicher Mitarbeiter) at the Quality and Usability Lab of Deutsche Telekom Laboratories, TU-Berlin. She studied Psychology and received her diploma degree in 2006 from the Chemnitz University of Technology.


Quality and Usability Lab
Deutsche Telekom Laboratories
TU Berlin
Ernst-Reuter-Platz 7
D-10587 Berlin, Germany



Factors Influencing Modality Choice in Multimodal Applications
Zitatschlüssel naumann2008e
Autor Naumann, Anja and Wechsung, Ina and Möller, Sebastian
Buchtitel Perception in Multimodal Dialogue Systems, 4th IEEE Tutorial and Research Workshop on Perception and Interactive Technologies for Speech-Based Systems (PIT 2008)
Seiten 37–43
Jahr 2008
ISBN 978-3-940046-90-1
DOI 10.1007/978-3-540-69369-7_5
Ort Kloster Irsee, Germany
Adresse Heidelberg, Germany
Jahrgang 5078
Verlag Springer
Serie Lecture Notes in Artificial Intelligence
Zusammenfassung This paper describes initial results from an evaluation study on the use of different modalities. The application, a web-based media recommender and management system called MediaScout, was installed on two multimodal devices, and on one unimodal device as a control condition. The study aims to investigate whether users make use of multimodality if it is offered and under which circumstances they do so. Moreover, it was studied whether users' stated modality preferences match their actual use of the modalities. The results show that users do not make use of all modalities for all tasks. Modality usage is determined by the task to be performed, as well as the efficiency of the modality for achieving the task goal. Both modality usage and the range of offered modalities seem to influence subjective user ratings.
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