1. ARS Intro to ERF Curriculum ARS PD Session 1 December 5, 2009
2.
3.
4.
5.
6.
7.
8.
9. The 30 million word gap… 45,000,000 Words 26,000,000 Words 13,000,000 Words In four years, an average child would accumulate word experience with: Hart, B. & Risley, T. (2003). The early catastrophe: the 30 million word gap by age 3. American Educator (spring) www.aft.org/american_educator