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Posted at 12:15 PM ET, 03/ 9/2011

Lunch break

By Ezra Klein

Salmon Khan makes the argument for “for teachers to consider flipping the traditional classroom script — give students video lectures to watch at home, and do ‘homework’ in the classroom with the teacher available to help.” He's got a good case: In particular, the power to rewind seems like a legitimate gamechanger.

By Ezra Klein  | March 9, 2011; 12:15 PM ET
Categories:  Lunch Break  
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Very interesting. I liked his extensive use of data on the student's learning and misunderstandings. This could be very valuable, and leveraging for teachers.

The ability to pause and think (and elaborate) is one of the big things I like about learning from books. However, an advantage I found personally from lectures is that there was that challenge that you were only going to get it once, and it was super dense with what would actually be on the exam. So I had this big incentive to really focus and pay attention. It made the lecture a very focused efficient learning time for me. Plus, I had to take notes (which I did very fast and with tons of abbreviations and mess, to really get everything quickly). And research has shown that writing helps internalize, a lot. And finally, I could ask my questions real time, instead of having this big wait, and maybe losing my train of thought.

But that's me; most students took a lot less extensive notes, and had a lot less focus and attention on the lecture, and most asked no questions ever.

Another problem is how much time spent on homework, or home lectures, can you expect. You can, though, have students listen to the computer lectures while in class with headphones. I actually did something similar in my 7th grade math class in the 70s. They had this experimental product where students would on their own read and do the exercises on little written math modules while in class, and the teacher would be there to answer any questions.

Posted by: RichardHSerlin | March 9, 2011 5:42 PM | Report abuse

I love this! Of course, this is what we all were supposed to be doing when we were assigned reading to do at home each night. While it will still unavoidably be the case that 10th graders will still have to slog through Wuthering Heights during their evenings(ungh), having "rewindable" video lectures available to show them concepts as well as explain them orally helps capture more of the varieties of learning than just reading a textbook. I also LOVE that this frees up classroom time formerly spent essentially teaching the material for the first time in a non-interactive fashion for greater interaction between peers and educators for clarifying and practicing material. This is a boon for math and science education.

Posted by: arm3 | March 10, 2011 10:52 AM | Report abuse

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