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An example of student preconceived notions preventing them from learning scientific concepts.

Thanks, Diana. I can use this article in two of my other classes.

Great video - key quote "You can forget facts but you can't forget understandings." Yes - I would agree that Merseth and a number of other HGSE professors structure their courses for engagement in a similar manner. Requiring reading & active reflection (by via a written brief, case preparation, or online quiz) before the class / lecture is a great way to prep for deeper engagement and understanding. The genius in Mazur's approach is to use technology to assess before class and during class what his students understand and, more importantly, don't understand AND then tailor what he presents next to address misconceptions.

One teacher claims that "The idea is to invert the normal rhythms of school, so that lectures are viewed on the kids' own time and homework is done at school." - Do you agree that this is a good solution? 

I too am intrigued by this "inverting" of time spent in the classroom and at home. My idealized model would be to introduce learners to new material at their own pace out of the classroom (allowing for pausing, note taking, reflecting and/or rewinding) and focus classroom time on face to face guiding and coaching of clusters of students or individual students engaged in applying or exploring the current material. To help facilitate this (and assist with accountability) some brief form of pre-assessment before class or at the start of class could illuminate for student and teacher alike what material has been mastered and what needs more attention. The research report from the TIE Foundations summer reading appears to support this type of hybrid approach. => Marsha Lovett, Oded Meyer, and Candace Thille (2008). The Open Learning Initiative: Measuring the effectiveness of the OLI statistics course in accelerating student learning.

An added benefit of tools such as Khan Academy is the option for reinforcement. In a traditional K-12 school environment students do not have the option to watch a video of their class or spend personalized time reviewing a concept they need more time with during class time due to the required pace of school curriculum. An online learning tool allows a student to watch a lesson as many times as needed and to learn from an expert. Often if a student needs help outside the classroom the only people they turn to is parents, who may or may not know about the content themselves.

Interesting look at the limited menu of viable open source LMSs that are out there. Moodle is by far the most popular, but as anyone who has ever developed any online courses on Moodle knows, the interface is clunky and it is overall pretty uninspiring (although adequate). Sakai sounds like an interesting competitor to Moodle and it sounds like it's gaining traction in the market- Rhode Island schools use it. From what I have read about it, it sounds like it is much more user friendly than Moodle and the students surveyed preferred the interface and design of Sakai to Moodle significantly (81% vs. 53%). Would love to hear any posts from people who have used any of these systems.

Tecahers must now learn how to craft assignments which do not lend themselves easily to cheating. Dealing with network security issues is probably the easier task of the two.