| Sampling Factors: |
Location (Not Relevant: All projects are in one location, Chengdu.)
Customer (Not Relevant: Alll projects have the same customer type, commercial.)
Size (Not Relevant: All projects are small, less than or equal to 10 people)
Organizational Structure (Not Relevant: All projects are in the R&D department.)
Type of Work (Not Relevant: All projects are software development types.)
Duration: Less than 3 months, greater than 3 months and less than 1 year, greater than 1 year. |
| Sampling Factor Values: |
Small (Duration): Less than 3 months.
Medium (Duration): Greater than 3 months and less than 1 year. |
| Subgroups: |
Small: All projects have the same sampling factors except for small duration (less than 3 months), and no other factors.
4 People, 1 Basic Units
– Small
Medium: All projects have the same sampling factors except for medium duration (greater than 3 months and less than 1 year), and no other sampling factors.
8 People, 2 Basic Units
– Medium |