Benefits from Maturity Level 2
Requirements are documented and controlled; work products are baselined, and their integrity is controlled. Project standards are defined, and adherence is monitored. Processes for estimating and planning are stabilized and documented at the project level, providing more predictability in planning. Commitments are understood, and people are trained. Estimates are more accurate in decreasing the differences between the actual and planned results.
Benefits from Maturity Level 3
Cost, schedule, and functionality are under control. Quality is tracked. Every project should be finding and fixing its defects before testing. An organization-wide understanding exists for activities, roles, and responsibilities of the processes in place. Management has good insight into the technical progress on the project and prepares proactively for risks that may occur. Customers can obtain accurate and rapid status updates because of greater visibility into project activities.
Benefits from Maturity Level 4
Performance continues to improve based on quantitative understanding of both processes and products. Data definition and collection are stabilized across the organization. Managers have an objective basis for decision-making. Ability to predict outcomes becomes more precise because the variability of the process is more stable.
Benefits from Maturity Level 5
The entire organization is focused on continuous process improvement. A strong sense of teamwork exists across the organization. Organized efforts are made to eliminate waste due to natural variation in processes and to prevent recurring defects. Disciplined change is a way of life for improvement of quality and productivity.