This project represents a continuation of the ongoing collaborative effort between the University of Oregon Center on Teaching and Learning (CTL) and Age of Learning, Inc. to evaluate the effectiveness of the ABCmouse.com Early Learning Academy, a comprehensive online early learning resource for children ages 2-6. For this collaboration, CTL will provide to Age of Learning analytic and other technical expertise to support an evaluation of the effectiveness of the ABCmouse.com Early Learning Academy online curriculum (the treatment).