I've had a long term interest in both performance measurement and
organizational learning. I have a short essay on my website on this
subject. In it, I propose a definition of organizational learning as well
as a universal metric. I would be interested in any comments. You can get
to it by visiting my website at www.schneiderman.com and going to "The Art
of Process Management" section, or going directly to
www.schneiderman.com/The_Art_of_PM/measuring_learning/learning.htm.