The Challenge of Education and Learning in the Developing World

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Science  19 Apr 2013:
Vol. 340, Issue 6130, pp. 297-300
DOI: 10.1126/science.1235350

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  1. Fig. 1 Impacts on test scores from randomized trials of primary school programs in the developing world.

    Results drawn from 18 randomized studies that report test-score outcomes. The charts also rely on detailed cost data provided by the authors of these studies and discussions with them about the most appropriate way to calculate cost effectiveness. The underlying data and calculations are available at

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