| Sampling Factors: |
Location (Not Relevant: No process difference with project locations. One location, Beijing city.)
Customer (Not Relevant: The customers of the projects are the same, all are enterprises.)
Size (Not Relevant: No difference in practice-implementation as per the size, all projects have a similar size in each subgroup.)
Organizational Structure (Not Relevant: One organization structure. All projects are under same command chain.)
Type of Work: Practice implementation are different in project types, there are product maintenance projects and product development projects. |
| Sampling Factor Values: |
Maintenance (Type of Work): The project in this type applies small changes for enhancement and/or fix bugs on an existing system.
Development (Type of Work): The project in this type develops a new system. |
| Subgroups: |
SUB1: The project in this subgroup consists of maintenance works for the existing system.
6 People, 1 Basic Units
– Maintenance
SUB2: The project of this subgroup develops a new system based on customer requirements
5 People, 1 Basic Units
– Development |