| Sampling Factors: |
Location (Not Relevant: All projects are developed at Xi”an.)
Customer (Not Relevant: All projects are provided to external enterprises of oil companies.)
Size: Some projects are more than 10 staffs and project period is about one year, and other projects are about 5 staffs and project period is about 6 months.
Organizational Structure (Not Relevant: OU is software development data integration department, Organizational Structure is not a determining or distinguishing factor affecting the implementation or performance of work.)
Type of Work (Not Relevant: All projects are software development.) |
| Sampling Factor Values: |
big size project (Size): Projects are more than 10 staffs and project period is about one year.
medium size project (Size): Projects are about 5 staffs and project period is about 6 months. |
| Subgroups: |
SG1: big size project
32 People, 3 Basic Units
– big size project
SG2: medium size project
19 People, 3 Basic Units
– medium size project |