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For example, Joel Rose, a self-proclaimed follower of Mr. Horn and a former educational-human-resources director for the 1.1 million-student New York City school system, math program in the city in 2009 on the idea that a combination of adaptive online content from multiple vendors could be the primary source of instruction for students. The role for teachers then becomes to intervene when students encounter difficulty with a computerized lesson, ideally with different teachers having different specializations in a manner similar to a team of doctors at a hospital.
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computers and education Essays: ..
In the international arena, and using experimental methodology, economists confirm these findings. In rigorous large-scale studies in both India and Colombia, Leigh Linden at Columbia University found that while PCs can supplement good instruction, PCs are a poor substitute for time with teachers. Furthermore, large-scale computer roll-outs in these countries showed no significant educational outcomes compared against students who didn’t receive computers. He suggests that one problem is that teachers don’t successfully incorporate computers into their curricula. (Nor are teachers to blame – technology programs routinely fail to account for teachers’ needs.)
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Mark Warschauer, the foremost authority on technology in American classrooms, has spent countless hours studying computer projects. He writes of underperforming US schools, “placing computers and Internet connections in low-[income] schools, in and of itself, does little to address the serious educational challenges faced by these schools. To the extent that an emphasis on provision of equipment draws attention away from other important resources and interventions, such an emphasis can in fact be counterproductive.”
