| Sampling Factors: |
Location (Not Relevant: All projects are produced in Xi”an.)
Customer (Not Relevant: All projects have commercial customers.)
Size: Medium and large projects
Organizational Structure (Not Relevant: All projects are part of Product Center)
Type of Work: Contract and Product Development |
| Sampling Factor Values: |
Medium (Size): Projects that are 8 to 30 man-months.
Large (Size): Projects that are greater than 30 man-months.
Contract Development (Type of Work): Projects that are Contract Development
Product Development (Type of Work): Projects that are Product Development |
| Subgroups: |
Med_CD: Contract development projects that are medium size.
11 People, 2 Basic Units
– Medium
– Contract Development
Med_PD: Product development projects that are medium size.
10 People, 2 Basic Units
– Product Development
– Medium
Lg_PD: Product development projects that are large size.
13 People, 2 Basic Units
– Large
– Product Development |