| Sampling Factors: |
Location (Not Relevant: Not Relevant.-All of the software development is located in Beijing City in this OU.)
Customer (Not Relevant: Not Relevant.-All of the software development is data pertaining of the rail transit industry software development .And all the customer is rail transit industry.)
Size (Not Relevant: Not Relevant.-Same process for all process implementation is no difference for project size,and all the team size is less than 10 people.)
Organizational Structure (Not Relevant: Not Relevant.-Only R&D Center is related to software development.)
Type of Work: Yes.- Projects under this OU belong to two Yes.- Projects under this OU belong to two types: One is Upgrading project, another is New development project.The processes of Upgrading projects are different from those of New development projects. The processes of RD, REQM and VAL might be differed |
| Sampling Factor Values: |
New development project (Type of Work): New development system
Upgrading project (Type of Work): Incremental development on existing system |
| Subgroups: |
Type of Work 1: New development system
27 People, 3 Basic Units
– New development project
Type of Work 2: Upgrading project
11 People, 2 Basic Units
– Upgrading project |