| Sampling Factors: |
Location (Not Relevant: Development projects are all in Shenzhen, it doesn”t affect the development process.)
Customer (Not Relevant: All the products are developed for government departmetn. It doesn’t affect the development process.)
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: There are two types of projects: 1. Construct a new system based on customer requirement.2. Upgrade on existed system to add features or enhance the system performance. |
| Sampling Factor Values: |
New (Type of Work): Construct a new system based on customer requirement.
Upgrade (Type of Work): Upgrade on existed system to add features or enhance the system performance. |
| Subgroups: |
G1: Projects that to construct a new system based on customer requirement.
24 People, 3 Basic Units
– New
G2: Projects that upgrade on existed system, add features or enhance the system performance.
17 People, 3 Basic Units
– Upgrade |