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A growing number of educators are working to turn learning on its head by replacing traditional classroom lectures with video tutorials, an approach popularly called the "flipped classroom." Interest in that teaching method was in full view this summer at the International Society for Technology in Education annual conference in San Diego, where almost every session on the topic was filled to capacity.
The movement was inspired partly by the work of Salman Khan, who created a library of free online tutoring videos spanning a variety of academic subjects, known as the Khan Academy, which many view as a touchstone of the flipped-classroom technique. But, much like the Khan Academy itself, the approach is attracting increasing scrutiny--and criticism--among educators and researchers.
The term "flipping" comes from the idea of swapping homework for class work. Students typically are assigned the video-watching for homework, freeing up class time that used to be spent listening to lectures for hands-on activities and application of knowledge, which used to serve as homework.
However, as most educators who have begun to use the technique are quick to say, there are a multitude of ways to "flip" a classroom. Some teachers assign a video for homework, while others allow students to watch those videos in class. Still others make videos for the lesson, but do not require students to watch them at all, giving students a variety of resources and allowing them to choose what they utilize to learn the required information.
But just as the Khan Academy has recently come under fire from some in the education blogosphere for what critics say is flawed pedagogy, the flipped-classroom technique has also garnered criticism from some who believe that flipping is simply a high-tech version of an antiquated instructional method: the lecture.
"My concern is that if you're still relying on lecture as your primary mode of getting content across, ... you haven't done anything to shift the type of learning that's occurring," said Andrew Miller, an educational consultant who works with the Alexandria, Va.-based professional-development group ASCD and the Novato, Calif.-based Buck Institute of Education, which works to promote project-based learning in classrooms.
"That's not how all of us learn," he said. "Just because you flipped your classroom doesn't mean your students...