The procedure for determining PMAT is organized around the Software Engineering Institute’s Capability Maturity Model (CMM). The time period for rating Process Maturity is the time the project starts. There are two ways of rating Process Maturity. The first captures the result of an organized evaluation based on the CMM.
Scale Factors for COCOMO.II Early Design and Post-Architecture Models
| PMAT Descriptors | CMM Level 1 (lower half) | CMM Level 1 (upper half) | CMM Level 2 | CMM Level 3 | CMM Level 4 | CMM Level 5 |
|---|---|---|---|---|---|---|
| Rating Levels | Very Low | Low | Nominal | High | Very High | Extra High |
| Value | 7.80 | 6.24 | 4.68 | 3.12 | 1.56 | 0.00 |