Abstract
This article reports the design, implementation, and results of a longitudinal design-based research effort that seeks to promote meaningful learning in a three-dimensional virtual learning environment (VLE). Since 2008, a multidisciplinary team has been designing, developing, and testing a 3D VLE called iSocial for helping youth with autism spectrum disorders (ASD) acquire social competencies. In this article, we report our iterative approach to designing the 3D VLE to promote engaging, realistic social interaction over three separate design and testing cycles. The design narrative focuses on iterations to the design of learning activities and learner supports. Evaluation data from the three testing cycles illustrate a constantly improving instructional approach that is meeting the project objectives of participants acquiring social competencies in the virtual medium that can ultimately be applied in the real world.
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