User experience (UX) has become an important aspect in the evaluation of interactive
systems. In parallel, conversational interfaces have been increasingly used in many work …

Voice user interfaces (VUIs) are becoming all the rage today. But how do you build one that
people can actually converse with? Whether you're designing a mobile app, a toy, or a …

Based on cross-disciplinary approaches to Embodied Conversational Agents, evaluation
methods for such human-computer interfaces are structured and presented. An introductory …

Perceptions of system competence and communicative ability, termed partner models, play
a significant role in speech interface interaction. Yet we do not know what the core …

With the technical advances and market growth in the field, the issues of evaluation and
usability of spoken language dialogue systems, unimodal as well as multimodal, are as …

Although multimodal systems have entered the mass market, evaluation methods
specifically tailored to multimodal systems are rather rare and a widely accepted standard …

Voice user interfaces (VUI) have been increasingly used in everyday settings and they are
growing in popularity. These interfaces have predominantly eyes-free and hands-free …

Different questionnaires assessing the usability of two multimodal systems and one
unimodal system were compared. Each participant (N= 21) performed several tasks with …

There is demand for subjective metrics in spoken dialogue system evaluation. SERVQUAL
is a service quality evaluation method developed by marketing academics. It produces a …

While speech interfaces have been widely adopted in recent years it appears people tend to
use them in a limited fashion, rarely exploring their full functionality. Research suggests this …