Bibliography (8):

1. https://www.ida.org/~/media/Corporate/Files/Publications/IDA_Documents/STD/D-5358.ashx

2. https://www.lesswrong.com/posts/vbWBJGWyWyKyoxLBe/darpa-digital-tutor-four-months-to-total-technical-expertise

3. Book Summary: Accelerated Expertise

4. Wikipedia Bibliography:

   1. https://en.wikipedia.org/wiki/Educational_technology  :

      https://en.wikipedia.org/wiki/Educational_technology

   2. DARPA

   3. https://en.wikipedia.org/wiki/Machine_intelligence  :

      https://en.wikipedia.org/wiki/Machine_intelligence

   4. https://en.wikipedia.org/wiki/Information_technology  :

      https://en.wikipedia.org/wiki/Information_technology

   5. Effect size