This post is a short account of two lessons I taught in 2002 which helped me to make sense of something I’d read about in the late 90s, but couldn’t get my head around. Not until then anyway. If you’ve been following me for some time, you know that I’m a big believer in experiential learning (i.e., moving from concrete experience to abstract conceptualization rather than the other way around), so let me begin by describing the lessons first. That way you'll be better able to grasp the theory...