| Sampling Factors: |
Location (Not Relevant: The software development is only in Suzhou city so the location does not affect the development.)
Customer (Not Relevant: The customer type is same)
Size: There are two size of team, >=15 people and <15>
Organizational Structure (Not Relevant: All project belong to the same department.)
Type of Work: There are two types of work, new development and upgrade. |
| Sampling Factor Values: |
Large size (Size): >=15 people
Small size (Size): <15>
new (Type of Work): New development
upgrade (Type of Work): Upgrade |
| Subgroups: |
G1: large new
33 People, 2 Basic Units
– Large size
– new
G2: Large upgrade
16 People, 1 Basic Units
– upgrade
– Large size
G3: small new
16 People, 2 Basic Units
– Small size
– new
G4: small upgrade
14 People, 2 Basic Units
– upgrade
– Small size |