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Education is generally thought of as a domestic policy issue. But what can we learn by looking at education on the global scale? In today’s talk, given at TEDGlobal 2012, Andreas Schleicher introduces us to a test that measures school systems and student achievement in countries across the globe—PISA (the Programme for International Student Assessment), […]
The third TEDTalk posted from TEDGlobal 2011, happening now in Edinburgh: Economics writer Tim Harford studies complex systems — and finds a surprising link among the successful ones: they were built through trial and error. In this sparkling talk from TEDGlobal 2011, he asks us to embrace our randomness and start making better mistakes. (Recorded […]