Mind, Brain, and Education Making Learning Visible Claudia Urrea1 and Walter Bender2 ABSTRACT— Almost two million children in more than 40 countries around the world have received a One Laptop per Child (OLPC) XO netbook computer. These netbooks represent the commitment of politicians, community leaders, and educators to implement disruptive, large-scale education reform initiatives that will advance their countries into the 21st century and prepare their children for interconnected, global, creative, and knowledge economies. Expectations for the success of these initiatives are high, and local stakeholders as well as numerous international organizations look to these experiments with cautious optimism. These programs hold the promise to expand the learning and creative potentials of broad populations. As such, arguably, one of the greatest challenges facing these initiatives is designing and implementing mechanisms that help make the outcomes visible, understandable, and actionabl