The ExtremeProgrammingMaturityModel:
- Level -2: You couldn't care because you've never heard of it.
- Level -1: You are considering XP and beginning to care about your level of attainment.
- Level 0: You work according to the practices in ExtremeProgrammingExplained.
- Level 1: You have evolved away from those practices based on your experience.
- Level 2: You no longer care what level you have achieved.
Compare to the ThreeStagesInJeetKuneDo