Cognitive scaffolding in Web3D learning systems: a case study for form and structure

Authors:
Felipe Bacim;Nicholas Polys;Jian Chen;Mehdi Setareh;Ji Li;Lee Ma
Affiliations:
Virginia Polytechnic Institute and State University, University of Southern Mississippi;Virginia Polytechnic Institute and State University, University of Southern Mississippi;Virginia Polytechnic Institute and State University, University of Southern Mississippi;Virginia Polytechnic Institute and State University;Virginia Polytechnic Institute and State University;Virginia Polytechnic Institute and State University
Venue:
Proceedings of the 15th International Conference on Web 3D Technology
Year:
2010

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Abstract

In this paper, we describe a case study in usability engineering for Web3D learning systems and introduce a new step to the typical methods of the usability design. Pedagogical applications present a challenge to the usual usability engineering process in that the end-users of the system (students) cannot describe the requirements of the system. For this situation, we engage the latest evidence and principles of cognition to help map requirements to information design for an interactive learning system. Our system seeks to improve the structural understanding of architects and to teach relationships between form and structure in long-span systems. We provide both explanatory multimedia resources and interactive resources including a Web-based modeling and simulation tool that aids architecture students with better understanding of the relationship between structure and form in design. We describe our design process and the system and examine the qualitative impact of the cognitive ergonomic process. This extra step in the usability design process of mapping expert knowledge to human perception and cognition can increase awareness of the requirements of a learning system and improve the effectiveness of the subsequent design.