| Sampling Factors: |
Location (Not Relevant: All projects produced in Kunming, China)
Customer (Not Relevant: All projects are for one customer, the electric power company)
Size: Small, medium, and large projects (measured in man-months)
Organizational Structure (Not Relevant: All projects are produced in the R&D department)
Type of Work (Not Relevant: All projects are software development projects)
Duration: Short, medium, and long duration |
| Sampling Factor Values: |
Small (Size): Less than ten man months
Medium (Size): 10 to 50 man months
Large (Size): Greater than 50 man months
Short (Duration): Less than or equal to 3 months
Medium (Duration): 4 to 9 months
Long (Duration): Great than or equal to 10 months |
| Subgroups: |
Sm_St: Small project with a short duration
6 People, 2 Basic Units
– Small
– Short
Md_Md: Medium size with medium duration
8 People, 2 Basic Units
– Medium
– Medium
Lg_Lg: Large size with large duration
16 People, 2 Basic Units
– Large
– Long |