APQC's Process Maturity Model
Process audits help organizations to evaluate the health of a specific process or process group. Most often, they are used to determine critical gaps in understanding, identify factors that impact the performance of the process, and highlight substantive areas for improvement.
In this article, APQC fully defines the relevant concepts behind its process maturity model, introduces the various measurement domains, and provides an overview of the characteristics at the intersection of each domain and maturity level.