| Sampling Factors: |
Location (Not Relevant: all projects are located in Hefei)
Customer (Not Relevant: The customer is government of local municipality. Analysis of relevant data has shown that the customer does not impact the way work is performed)
Size (Not Relevant: Projects have 6-7 people in the team. Working methods are not impact by the size of the project team)
Organizational Structure (Not Relevant: All projects report to the same general manager)
Type of Work: Analysis of data has shown that there are 2 types of projects, new projects and upgrade projects. Results (e.g. defect density) is different for the 2 types of projects |
| Sampling Factor Values: |
New Projects (Type of Work):
Upgrade Projects (Type of Work): |
| Subgroups: |
New Projects: New development
20 People, 3 Basic Units
– New Projects
Upgrade Projects: Upgrade projects
13 People, 2 Basic Units
– Upgrade Projects |