| Sampling Factors: |
Location (Not Relevant: All the projects are developed in Qingdao. So the location is irrelevant)
Customer (Not Relevant: All projects have the same category of customers, so the customer is irrelevant)
Size (Not Relevant: All the development team sizes are under 6 people. The projects have similar size. So the size is irrelevant)
Organizational Structure (Not Relevant: Zetu’s management structure is very flat and simple,All the projects are not significantly different)
Type of Work: All projects are divided into new projects and upgrade projects |
| Sampling Factor Values: |
New projects (Type of Work): These projects are new projects
Upgrade Projects (Type of Work): These projects are upgrade Projects based on existing systems |
| Subgroups: |
Subgroup 1: These projects are new projects
10 People, 2 Basic Units
– New projects
Subgroup 2: These projects are upgrade Projects based on existing systems
15 People, 3 Basic Units
– Upgrade Projects |