| Sampling Factors: |
Location (Not Relevant: Same location, Changsha)
Customer (Not Relevant: Same customer type)
Size: Small and medium size
Organizational Structure (Not Relevant: Same – software department)
Type of Work: Customization and R&D projects |
| Sampling Factor Values: |
Small (Size): Less than or equal to 10 people
Medium (Size): Great than 10 and less than 30 people
Custom (Type of Work): Custom development
R&D (Type of Work): Research and development |
| Subgroups: |
Sm_RD: Small R&D project
10 People, 1 Basic Units
– Small
– R&D
Med_Cust: Medium size custom development project
40 People, 3 Basic Units
– Medium
– Custom |