Visuals that Define Blended Learning
From The Rise of K-12 Blended Learning (Staker, 2011)
From Karen- a nice graphic including critical attributes of blended learning
From Blended Learning: The Convergence of Online and Face-to-face Education (Watson/iNACOL, 2008)
From Blending In: The Extent and Promise of Blended Education in the United States (Allen, Seaman & Garrett, 2007)