cast 온라인 협업 도구

http://www.cast.org/learningtools/strategy_tutor/

A free online tool to support students and teachers doing reading and research on the Internet, ages 10 and up. Strategy Tutor helps students read, research, collect and understand information better and more efficiently. For teachers, Strategy Tutor provides a way to easily create web-based lessons embedded with research-based, highly effective learning strategy and vocabulary supports.