From The International Review of Research in Open and Distance Learning, Vol 8, No 3 (2007), ISSN: 1492-3831 - Incorporating Screencasts In Online Teaching by Elaine Peterson.
I'm linking to the abstract page instead of the full text because from there you can choose HTML, PDF, or to listen to the article as an mp3, which sounds surprisingly good to me - neat option!
AbstractInteresting to me that while the author used links to the websites of the products she mentioned, the literature review only looked for traditional print literature, despite the fact that there's plenty of evidence in the blogosphere of libraries using screencasts for instruction...
Despite success in teaching the class ‘Organization of Information in a School Library Media Center’ (EDCI 545) online, one component continued to be a problem for students, the Dewey Decimal Classification System. To supplement the instruction, a set of simple screencasts was developed to assist distance education students. Benchmarks were established and a beta test conducted. It is expected that the next online class of students will have increased success because of the addition of screencasts. It is suggested that screencasts be considered as an additional tool for online learners across other disciplines, particularly when using databases that have layered sets of information, requiring multiple mouse clicks.
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