STAGES Certification in Scoring & Debriefing allows a practitioner to learn how to assess a client’s developmental level, through a 16- or 36-question inventory, in both general and specific areas. This rigorous training includes debriefing, which allows the assessment to be explained to a client — what they need to know and to do in order to come fully into a nascent stage, stabilize an existing one, or complete the transition out of one stage and into the next.