| Sampling Factors: |
Location (Not Relevant: Development projects are all in Shenzhen, it doesn”t affect the development process.)
Customer: Some products develop for the railway traffic companies. Other products develop for internal using by the engineers in the future projects. The requirement analysis and management process are different.
Size (Not Relevant: Size are similar and it doesn’t affect the development process.)
Organizational Structure (Not Relevant: Organizational structures are same in all of the projects and all of the projects are in same organization.)
Type of Work (Not Relevant: All the projects provide development service for customers according to their requirements.) |
| Sampling Factor Values: |
Internal (Customer): Some products are developed for internal use by the engineers in the future projects.
External (Customer): Some products are developed for the railway traffic companies. |
| Subgroups: |
G1: Projects develop products for the engineers in the companies.
9 People, 2 Basic Units
– Internal
G2: Projects develop products for railway traffic companies.
14 People, 3 Basic Units
– External |