| Sampling Factors: |
Location (Not Relevant: all in one location)
Customer (Not Relevant: all are commercial customer)
Size: small < 15=”” staff;=”” large=””>15 staff
Organizational Structure (Not Relevant: same organization structure)
Type of Work: traditional; iteration |
| Sampling Factor Values: |
Small (Size): staff member less that 15
Large (Size): Staff member 15 or more
Traditional (Type of Work): Waterfall development life cycle
Iteration (Type of Work): Iterative development life cycle |
| Subgroups: |
SG1: Large project with traditional process
76 People, 5 Basic Units
– Large
– Traditional
SG2: Large project with Iteration process
92 People, 6 Basic Units
– Large
– Iteration
SG3: Small project with traditional process
53 People, 8 Basic Units
– Small
– Traditional |