This support is crucial. It allows participants to get support quickly enough to impact their work, and to get help with subjects that may be too sensitive for the clinic. Because it works. I knew from my experience as a manager trying to learn Systems Thinking that this was not enough, that developing competency in Systems Thinking required an ongoing involvement with a coach and with a community of fellow learners. This format has been used very successfully with managers and leaders from the profit and public sectors, quality professionals and both internal and external consultants.
References are available.