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Evaluating ECAs in Virtual Environments
There are currently no evaluation methods specific to ECAs in CVEs and traditional evaluation methods are limited in their applicability and consequently unlikely to address the full range of aspects now inherent in such systems. We argue that a combination of controlled experimentation, quasi-experiments, review-based evaluation and heuristic expert reviews is needed. To operationalise these traditional evaluation methods the concept of presence was deployed, and it was argued that presence as a cognitive variable can be measured and that such a measure can be a key indicator of the usability of ECAs in CVEs. Presence measures can be administered within controlled experiments and quasi-experiments to test certain aspects of the system. Such experiments might turn out particularly useful as a means of selecting between two or more design options and it is argued that issues concerning ECAs in CVEs can be meaningfully evaluated by comparing subjects’ experience of presence.
| Download Paper | |
| Full Title | Evaluating Embodied Conversational Agents in Collaborative Virtual Environments |
| Year | 2004 |
| Language | English |
| Keywords | Embodied Conversational Agents, Collaborative Virtual Environments, natural language systems, agent's evaluation, Linguistic Criteria, Bodily Behaviour Criteria |
| Synonym | Embodied Conversational Agent |
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