| Sampling Factors: |
Location (Not Relevant: No. All projects are in the same location)
Customer (Not Relevant: No. They have same kind of customer: the quality assurance organization for freeway construction.)
Size (Not Relevant: No. There is no notable different.)
Organizational Structure (Not Relevant: No. there is no different between different teams)
Type of Work: They have two development models: waterfall, for requirements are clearly defined, and iterative for requirements are not clearly defined projects. |
| Sampling Factor Values: |
Waterfall (Type of Work): use waterfall development model
Iterative (Type of Work): use iterative development model |
| Subgroups: |
Waterfall: the subgroup which use waterfall development model
22 People, 1 Basic Units
– Waterfall
Iterative: The subgroup which use iterative development model
30 People, 4 Basic Units
– Iterative |