| Sampling Factors: |
Location (Not Relevant: No process difference with project locations. One location, Qingdao city.)
Customer (Not Relevant: The customers of the projects are the same, all are enterprise sectors.)
Size (Not Relevant: No difference in practice-implementation as per the size, all projects have similar size in each subgroup.)
Organizational Structure (Not Relevant: One organization structure. All projects are under the same command chain.)
Type of Work: Practice implementation are different in project types, there are system maintenance projects and system development projects. |
| Sampling Factor Values: |
Maintenance (Type of Work): The project with this value factor applies small changes for enhancement and/or fix bugs on an existing system.
Development (Type of Work): The project with this value factor develops a system having new features. |
| Subgroups: |
SUB1: The project in this subgroup enhances an existing system.
10 People, 1 Basic Units
– Maintenance
SUB2: The project in this subgroup develops a system that has one or more new features.
10 People, 1 Basic Units
– Development |