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This book systematically addresses the quantification of quality aspects of multimodal interactive systems. It analyzes the user interaction and the user perception via input and output interfaces.

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Introduction and Motivation.- Evaluating Multimodal Systems.- The Multimodal Interactive System: INSPIRE Me.- Quantifying Multimodal Interaction Behaviour.- Quantifying Output Quality Aspects.- Quantifying Input Quality Aspects.- Quantifying Quality Aspects of a Multimodal Interactive System.- Conclusion.- INSPIRE Me - Graphics.- Experiments.- Multimodal Interaction Parameters.- Dialogue- and communication-related interaction parameters.- Cognitive Demand, USE and Quesi.- Embodied Conversational Agents Scale (ECAS).- Glossary.- References.

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From the reviews:
"Kühnel presents a user´s guide to understanding contemporary research on multimodal systems, focusing specifically on unresolved questions regarding the systematic evaluation of multimodal interactive systems. ... Kühnel provides an overview of the relevant terms, concepts, approaches, and related work in the field, highlighting quality and usability as key factors in the evaluation of multimodal interactive systems. ... The book offers useful insights to those readers interested in learning about multimodal interactive systems and never-before-seen approaches to the evaluation of these systems." (Franz Kurfess and Christina Taggart, Computing Reviews, April, 2013)

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