| Sampling Factors: |
Location (Not Relevant: Although there are different locations for the 4 basic units (Beijing, Tianjin), there is no process difference since they all follow the same processes after tailoring.)
Customer (Not Relevant: Only one internal customer (product department) is served by those 4 projects, there is no process difference since they all follow the same processes after tailoring.)
Size (Not Relevant: Although projects are with different sizes, but there is no process difference for different sizes since they all follow same processes after tailoring.)
Organizational Structure (Not Relevant: All 4 projects are within Development Department, and since there is no sub-department below the Development Department, therefore there is no significant process differences after tailoring.)
Type of Work (Not Relevant: 2 types of work (platform development, application development) exist among the 4 projects, but they all follow the same processes with no differences after tailoring.)
No Sampling Factor: No sampling factor |