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Clarke, Jody; Dede, Chris – Journal of Science Education and Technology, 2009
One-size-fits-all educational innovations do not work because they ignore contextual factors that determine an intervention's efficacy in a particular local situation. This paper presents a framework on how to design educational innovations for scalability through enhancing their adaptability for effective usage in a wide variety of settings. The…
Descriptors: Educational Innovation, Virtual Classrooms, Case Studies, Middle Schools
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Chase, Catherine C.; Chin, Doris B.; Oppezzo, Marily A.; Schwartz, Daniel L. – Journal of Science Education and Technology, 2009
Betty's Brain is a computer-based learning environment that capitalizes on the social aspects of learning. In Betty's Brain, students instruct a character called a Teachable Agent (TA) which can reason based on how it is taught. Two studies demonstrate the "protege effect": students make greater effort to learn for their TAs than they do…
Descriptors: Learning Activities, Student Motivation, Grade 8, Grade 5