waveman comments on Open thread, Jan. 25 - Jan. 31, 2016

waveman 30 Jan 2016 3:08 UTC
2 points
This may also help—a more systematic description of the levels. The right two columns are mine, from memory the others are by Kegan,

https://drive.google.com/file/d/0B_hpownP1A4PaXN1Tjg2RFd6N0E/view?usp=sharing