I know another model (that I got from my coach www.drcere.com) more or less like the DISC: a lot easier, a lot less precise.
One of the basis of this model is understanting the reason why people are doing what the do (motivation, in italian MOTIVAZIONE: MOTIV = reason, AZIONE=action).
1. avoid pain
2. gain pleasure
I see that in category 1 we have high D and high C: problems lists, risk analysis, a lot of data to be sure ...
While in category 2 we have high D and high I: go for the goal, follow a dream ...
What do you think about it??