| Feature | Very Low | Nominal/High | Extra High |
|---|---|---|---|
| Need for software conformance with preestablished requirements | Full | Considerable | Basic |
| Need for software conformance with external interface specifications | Full | Considerable | Basic |
| Combination of inflexibilities above with premium on early completion | High | Medium | Low |
Scale Factors for COCOMO.II Early Design and Post-Architecture Models
| FLEX Descriptors | rigorous | occasional relaxation | some relaxation | general conformity | some conformity | general goals |
|---|---|---|---|---|---|---|
| Rating Levels | Very Low | Low | Nominal | High | Very High | Extra High |
| Value | 5.07 | 4.05 | 3.04 | 2.03 | 1.01 | 0.00 |