| Sampling Factors: |
Location (Not Relevant: the OU has only one location, in Beijing)
Customer (Not Relevant: General customers)
Size (Not Relevant: the size of basic units does not affect the way works are performed, and vary in a limited scope)
Organizational Structure (Not Relevant: matrix management is used across the OU. Organizational Structure does not play an important role)
Type of Work (Not Relevant: the OU has only one type of work, researching and developing highway systems.)
Lifecycle: include increment with requirements and increment without requirements, and the requirement development and management processes are different |
| Sampling Factor Values: |
Increment 1 (Lifecycle): Requirements generated and confirmed at the beginning of the project.
Increment 2 (Lifecycle): Requirements generated and confirmed within each incremental cycle. |
| Subgroups: |
SG1: projects using incremental lifecycle 1.
25 People, 3 Basic Units
– Increment 1
SG2: projects using incremental lifecycle 2
16 People, 2 Basic Units
– Increment 2 |