| 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 type. One customer type, public utilities.)
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 are different in project types. |
| Sampling Factor Values: |
Development (Type of Work): The project in this sub-group develops a new system.
Maintenance (Type of Work): The project in this sub-group modifies or updates functionalities of an existing system. |
| Subgroups: |
SUB1: Development projects
8 People, 1 Basic Units
– Development
SUB2: Maintenance projects
8 People, 1 Basic Units
– Maintenance |