| Sampling Factors: |
Location (Not Relevant: No process difference with project locations. One location, Beijing city.)
Customer (Not Relevant: All customers are companies, mainly transportation companies in the railway industry.)
Size (Not Relevant: No difference in practice implementation because all projects have similar size.)
Organizational Structure (Not Relevant: One organization structure. All projects are under same command chain.)
Type of Work: Practice implementation is different with project types which consist of new development and maintenance. |
| Sampling Factor Values: |
New development (Type of Work): The project in this type develops new system.
Maintenance (Type of Work): The project in this type applies small changes for enhancement and/or fix bugs on an existing system. |
| Subgroups: |
SUB1: The project in this subgroup develops new systems.
12 People, 2 Basic Units
– New development
SUB2: The project in this subgroup applies small changes for enhancement and/or fix bugs on an existing system.
8 People, 1 Basic Units
– Maintenance |