A measure of actual results achieved by following a process. It is characterized by both process measures (e.g., effort, cycle time, and defect removal efficiency) and product measures (e.g., reliability, defect density, and response time).

1. This glossary is from Appendix C of Technical Report CMU/SEI-2002-TR-004.
2. ® CMMI is registered in the U.S. Patent and Trademark Office by Carnegie Mellon University.