||Location (Not Relevant: No process difference with project locations. One location, Guiyang city.)
Customer (Not Relevant: The customers of the projects are the same, all are government institutions.)
Size (Not Relevant: No difference in practice implementation, all projects follow process requirements imposed by the government regardless of their size.)
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 product maintenance projects and product development projects.
|Sampling Factor Values:
||Product maintenance (Type of Work): The project in this type applies small changes for enhancement and/or fix bugs on an existing system.
Product development (Type of Work): The project of this type develops a new system.
SUB1: The project enhances on an existing system.
7 People, 1 Basic Units
– Product maintenance
SUB2: The project develops a new system.
14 People, 2 Basic Units
– Product development