| PSP2.1 | Personal Software Process Stage | Time |
| Planning | 計劃 | 10 |
| ·Estimate | ·估計這個任務需要多長時間 | |
| Development | 開發 | 60 |
| ·Analysis | ·需求分析 | |
| ·Design Spec | ·生成設計文檔 | 5 |
| ·Design Review | ·設計複審 | |
| ·Coding Standard | ·代碼規範 | 6 |
| ·Design | ·具體設計 | 15 |
| ·Coding | ·具體編碼 | 24 |
| ·Code Review | ·代碼複審 | 8 |
| ·Test | ·測試 | |
| Reporting | 報告 | |
| ·Test Report | ·測試報告 | |
| ·Size Measurement | ·計算工作量 | 3 |
| ·Postmortem&Process Improvement Plan | ·事後總結，并提出過程改進計劃 |