Developing a Web 2.0-based system with user-authored content for community use and teacher education.

We report on an investigation into the design, development, implementation, and evaluation of an informational and instructional Website in order to generate guidelines for instructional designers of read/write Web environments. We describe the process of design and development research, the problem addressed, the theory-based solution, and the evaluation and testing of that solution. Based on our experience, we then identify sixteen guidelines for future designers and developers of read/write Web-based learning environments. The study demonstrates how read/write Web technologies can be used to address general problems that have intrinsic societal importance; examines implementation of a read/write technology in a real-life context, thereby testing distributed cognitions learning theory; informs the design of similar environments; and provides grounded theory for the design and development of read/write Web learning environments. [ABSTRACT FROM AUTHOR]