It’s a lot of text but I don’t have statistics to go on. I hope the images illustrate the points effectively.
Sources:
Content:
Finlay, J. (2010, May 17). Andragogy (Adult Learning). Retrieved from https://www.youtube.com/watch?v=vLoPiHUZbEw
Pappas, C. (2013, May 9). The Adult Learning Theory – Andragogy – of Malcolm Knowles. Retrieved from https://elearningindustry.com/the-adult-learning-theory-andragogy-of-malcolm-knowles
Cites Knowles 1984 but there are two sources in the list from 1984, not sure which one.
Images:
Fink, D. (2010, November 1). American Academy of Neurology Recommendation. Retrieved from https://theconcussionblog.com/2010/11/01/american-academy-of-neurology-recommendation/
Several: (n.d.). Retrieved from http://clipart-library.com/balance-scale-clipart.html, all licensed under Creative Commons