An Evaluation Framework for Multimodal Interaction: by Ina Wechsung

By Ina Wechsung

This ebook provides (1) an exhaustive and empirically confirmed taxonomy of caliber elements of multimodal interplay in addition to respective size equipment, (2) a established questionnaire in particular adapted to the assessment of multimodal platforms and masking lots of the taxonomy‘s caliber elements, (3) insights on how the standard perceptions of multimodal structures relate to the standard perceptions of its person parts, (4) a collection of empirically validated components which impression modality selection, and (5) versions in regards to the courting of the perceived caliber of a modality and the particular utilization of a modality.

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Extra resources for An Evaluation Framework for Multimodal Interaction: Determining Quality Aspects and Modality Choice (T-Labs Series in Telecommunication Services)

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The dialogue management decides on the next steps or actions to be taken, in order to maintain the dialogue coherence to lead the dialogue to the intended goal (Gibbon, Moore, & Winski, 1998; Lopez Cozar, & Araki, 2005; Herzog & Reithinger, 2006).  Fission. The fission operation selects the modalities presenting the output and their coordination (Lopez Cozar, & Araki, 2005; Herzog & Reithinger, 2006).  Modality Specific Response Generation. After fission, modality specific responses are generated; here the abstract output information is transformed into media objects, understandable to the user (Lopez Cozar, & Araki, 2005; Herzog & Reithinger, 2006).

This so-called peak-end rule has been shown in the context of interface evaluation (Hassenzahl & Sandweg, 2004; Hassenzahl & Ullrich, 2007). Accordingly, retrospective questionnaires reflect the remembered affective experience, but might give only little information on the specific aspects, which lead to the global evaluation (Wechsung et al. 2012b). 6 Usability The ISO 9241-11 standard (ISO 9241-11, 1998) defines usability as the “extent to which a product can be used by specified users to achieve specified goals with effectiveness, efficiency and satisfaction in a specified context of use” This definition sets the focus on ergonomics and hence only on the task-oriented, functional aspects of human machine interaction, which were the major themes in the early years of human-computer interaction.

Dialogue management performance. The main function of the dialog manager is maintaining the dialogue coherence to lead the dialogue to the intended goal (Gibbon, Moore, & Winski, 1998). This meta-functionality can be assessed via task-success parameters (cf. Möller, 2005). g. the selection of the dialogue strategy and error recovery (for a comprehensive list see Gibbon, Moore, & Winski, 1998). ” (Kühnel, 2012) and the number of system correction turns or the system corrections rate, which are defined as the “overall number (SCT) or percentage (SCR) of all system turns in a dialogue which are primarily concerned with rectifying ‘a trouble’ (caused by […] recognition or understanding errors, or by illogical, contradictory, or undefined user input), thus not contributing new propositional content and interrupting the dialogue flow.

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