| Sampling Factors: |
Location (Not Relevant: All projects are performed in the same location:Guangzhou.)
Customer (Not Relevant: There are all similar commercial customers, and all follow the same R&D process.)
Size: There are three types of size:Level 1, Level 2, Level 3.
Organizational Structure (Not Relevant: All projects are developed in the same SW department.)
Type of Work (Not Relevant: Only cover SW development projects.) |
| Sampling Factor Values: |
Level 1 (Size): The size of project is above 400 man-days.
Level 2 (Size): The size of project is between 150-400 man-days.
Level 3 (Size): The size of project is below 150 man-days. |
| Subgroups: |
1: These projects size is above 400 man-days.
10 People, 2 Basic Units
– Level 1
2: These projects size is between 150-400 man-days.
9 People, 2 Basic Units
– Level 2
3: These projects size is below 150 man-days.
12 People, 3 Basic Units
– Level 3 |