Scrum
Estimation
This is a helpful table for estimate stories. If you don’t have a reference story, or other strategy to estimate a story just go through this table every time.
| 1 | 2 | 3 | 5 | 8 | 13 | |
|---|---|---|---|---|---|---|
| Feature changes | Small | Small | Not significant | Significant | New functionality | New functionality | 
| Solution | Known | Known | Known | Partially known | Unknown | Unknown | 
| Complexity/volume | Low | Medium/Low | Medium | Medium/High | High | Very High | 
| Architecture changes | None | None | Small adjustment | Small adjustment | Significant changes | Big changes | 
| Previous similar work | Yes | Yes | Yes, but low experience | Yes, but low experience | No | No | 
| New technologies | No | No | Maybe | Maybe | Yes | Yes | 
| Testing complexity | Low | Medium/Low | Medium | Medium/High | High | Unknown | 
| Dependencies | None | Internal IT team | Internal IT team | Internal IT team | External providers | External providers | 
| Security | No impact | No impact | new access rights | new access roles | new security concept | Unknown impact | 
| Documentation | Already exist, no adjustment | Already exist, no adjustment | Already exist, some adjustment | Already exist, a lot adjustments | Non existent | Non existent |