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Rigas, Dimitrios; Alharbi, Abdulrhman – Interactive Technology and Smart Education, 2011
Purpose: The purpose of this paper is to investigate the usability (effectiveness, efficiency and user satisfaction) of e-feedback interfaces. The experiment compares a traditional visual approach with a multimodal approach in order to determine the impact of multimodal metaphors upon the user's understanding, reasoning and engagement with the…
Descriptors: Feedback (Response), User Satisfaction (Information), Learner Engagement, Writing Exercises
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Haake, Magnus; Gulz, Agneta – International Journal of Artificial Intelligence in Education, 2009
The paper presents a theoretical framework addressing three aspects of embodied pedagogical agents: visual static appearance, pedagogical role, and communicative style. The framework is then applied to a user study where 90 school children (aged 12-15) in a dummy multimedia program were presented with either an instructor or a learning companion…
Descriptors: Foreign Countries, Computer Assisted Instruction, Multimedia Materials, Computer Graphics