TU Berlin

Quality and Usability LabIna Wechsung

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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



Subjective Evaluation Methods for Speech-based Uni- and Multimodal Applications
Zitatschlüssel weiss2008c
Autor Weiss, Benjamin and Wechsung, Ina and Naumann, Anja 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 285–288
Jahr 2008
ISBN 978-3-540-69368-0
DOI 10.1007/978-3-540-69369-7_33
Ort Kloster Irsee, Germany
Adresse Heidelberg, Germany
Jahrgang 5078
Monat jun
Verlag Springer
Serie Lecture Notes in Artificial Intelligence
Zusammenfassung Questionnaires are a widespread method for subjective usability evaluation. Concerning speech-based systems the SASSI questionnaire is probably the most common one. This paper examines SASSI results obtained by different studies in order to evaluate its reliability and validity. Furthermore, it is investigated if SASSI is appropriate also for multimodal systems. The results indicate that some SASSI sub-scales need a revision.
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