TY - CONF T1 - Learning at the Seafloor, Looking at the Sky: The Relationship Between Individual Tasks and Collaborative Engagement in Two Citizen Science Projects T2 - Computer Supported Collaborative Learning Y1 - 2013 A1 - Katie DeVries Hassman A1 - Gabriel Mugar A1 - Carsten Ă˜sterlund A1 - Corey Jackson JF - Computer Supported Collaborative Learning ER -