Building Upon What Is Already There: The Role of Prior Knowledge, Background Information, and Scaffolding in Inquiry Learning. - Christof Wecker; Ard W. Lazonder; Jennifer L. Chiu; Cheryl Ann Madeira; Jim Slotta; Yvonne Mulder; Ton de Jong; Alexander Rachel; Hartmut Wiesner; Peter Reimann 001 (ICLS, 2012)