Abstract
ABSTRACT
This study presents the design, implementation, and usability evaluation of AudioNature, an audio-based interface implemented for pocketPC devices to assist science learning in users with visual impairments. The usability evaluation sessions helped to redesign the interface and adjust it to the user's mental model while operating a pocketPC mobile device. Users accepted the interface, enjoyed the interaction with AudioNature, felt motivated, and learned science. Cognitive evaluations provided evidence that points toward gains in problem-solving skills and showed that game-based learning activities facilitate the user's interaction with the software. Users showed more self-confidence when designing and elaborating action theories to solve the problems posed.
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