that the educator is an abstract role; often many kinds of people are involved, including subject-matter experts, content authors, instructional designers, and teachers. No individual actor is fully involved in every step of the process. In many cases, subject-matter experts work with content authors (who have specific technology skills in Web content creation) to develop learning objects; instructional designers sequence, set learning outcomes, and package the content; and the teacher delivers the course to students, offering some mentorship or help. The last step in the workflow — and the one we’re most interested in supporting — is content modification, which typically works best when all edu
Jelena Jovanovic, Dragan Gasevic, Christopher A. B