Daily Bookmarks 11/18/2009

  • Comparison of problem-based learning and scenario-based learning, where problem-based learning is text-based case studies and scenario-based learning is interactive, dynamic, and time-limited.

    tags: pbl, scenarios, training

  • Overview of current trends in e-learning. According to this post, what’s hot is social media, informal learning, simulations & scenario-based learning, virtual worlds, rapid learning, mobile learning, open source, and performance support.

    tags: e-learning, socialmedia, informallearning, simulations, rapid

  • Explanation of cognitive load theory and the problems with it, both conceptual and methodological. Lots of sources to dig into deeper if you want more research on this issue.

    tags: education, learning, e-learning, instructionaldesign, cognition, research

    • Numerous contradictions of cognitive load theory’s predictions have been found, but with germane cognitive load, they can still be explained away.  de Jong does not use this term (unfalsifiable) but instead states that germane cognitive load is a post-hoc explanation with no theoretical basis: “there seems to be no grounds for asserting that processes that lead to (correct) schema acquisition will impose a higher cognitive load than learning processes that do not lead to (correct) schemas” (2009).
    • 2. Poor external validity of lab-based studies.  Moreno doesn’t touch on something in the de Jong article – the fact that most cognitive load (and multimedia learning) studies are conducted in labs that “includes participants who have no specific interest in learning the domain involved and who are also given a very short study time” (de Jong, 2009), often only a few minutes.  Quite a number of findings from these studies have not held up as strongly when tested in classrooms or real-world scenarios, or have even reversed (such as the modality effect, but see this refutation and this other example of a reverse effect).

Posted from Diigo. The rest of my favorite links are here.

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