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The Persona Zero-E ffect: Evaluating virtual character benefi ts on a learning task
Paper "The Persona Zero-E ffect: Evaluating virtual character benefi ts on a learning task with repeated interactions" presents embodied agents, that have the potential to become a highly natural human-computer interaction device - they are already is use as tutors, presenters and assistants. However, it remains an open question whether adding an agent to an application has a measurable impact, positive or negative, in terms of motivation and learning performance. Prior studies are very diverse with respect to design, statistical power and outcome; and repeated interactions are rarely considered. We present a controlled user study of a vocabulary trainer application that evaluates the effect on motivation and learning performance. Subjects interacted either with a no-agent and with-agent version in a between-subjects design in repeated sessions. As opposed to prior work (e.g. Persona Effect), we found neither positive nor negative effects on motivation and learning performance, i.e. a Persona Zero-Effect. This means that adding an agent does not benefi t the performance but also, does not distract.
| Download Paper | |
| Full Title | The Persona Zero-E ffect: Evaluating virtual character benefi ts on a learning task |
| Year | 2010 |
| Language | English |
| Keywords | embodied conversational agents, human-computer interaction, computer supported learning |
| Synonym | Embodied Agent |
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