Did you miss the opening keynotes from the 2015 National DI Conference? Fear not! You can view the keynote speeches online for free. Speakers include Siegfried "Zig" Engelmann, creator and senior author of Direct Instruction and Dr. Keith Hollenbeck from the University of Oregon.
{videobox}Jbht4C9KFUQ#0:0:05|41st Annual DI Conference Opening Keynote (2015) ©NIFDI|{/videobox}