I think we should put Khan Academy in perspective. It is not suitable for all. It is good for 1 in every 90 individuals. Is it worth it? let’s do the analysis:
First Pedagogy: Based on Paul Kurucz, there are 3 types of learners: those who learn by seeing the big picture, those who learn by seeing the process and those who learn through networking. Coupled with Kelb ideas, it is easy to recognize that Khan’s style is suitable for the learners “who like to see the process and observe someone else doing it!”. It is not suitable for all.
Mathematically: combining Kurucz 3 criteria and kelb 4 styles, and for simplicity let’s assume that an individual can be only one of them, it is easy to calculate the permutation: 1 in every 90 people find Khan’s method suitable for their learning. This means, the other 89 finds it useless.
Demographics: Roughly, if 40% of the world population are learners (students, lifelong learners, adult, informal, etc..), and there are there 1.8B users of the internet in the world, then there are 720 Million active learners around the world who have access to the Internet.
Conclusion: as we said, only 1 in every 90 of these learners can learn based on Khan method. This means, there are 8 Million learners around the world who have access to the internet and who are in benefit from Khan’s work. 8 Million!
Isn’t this phenomenal? One person (i.e. Khan) offering a suitable learning material for 8 Million people, for free… around the world? the way they like to learn? Isn’t it outstanding! Or should we focus on the the other 712 Million to prove it futile? I am on Khan side. I like to see the droplet in an empty glass!!
1) I am ready to offer data to submit my arguments.
2) An opportunity: we still need to figure out a good teaching tools for the remaining 712 Million people. I see a lot of money here! Any partners?