In CMM the successes and failures of the project are studied and changes to the processes are recommended. It describes the process information content recommended by the CMM. The process checklists are further refined into checklists for:
• roles
• entry criteria
• inputs
• activities
• outputs
• exit criteria
• reviews and audits
• work products managed and controlled
• measurements
• documented procedures
• training
• tools
CMM has five levels-

Level 1: The organization achieves the specific goals of the respective process area(s).

Level 2: The organization institutionalizes a managed process for the respective process area(s).

Level 3: The organization institutionalizes a defined process for the respective process area(s).

Level 4: The organization institutionalizes a quantitatively managed process for the respective process area(s).

Level 5: The organization institutionalizes an optimizing process for the respective process area(s).