| Sampling Factors: |
Location (Not Relevant: All the projects are developed in Zhengzhou city. So, the location is irrelevant.)
Customer (Not Relevant: All projects have the same category of customers (medical institutions), so the customer is irrelevant.)
Size (Not Relevant: All projects have the similar size, the team’s size is about 10 persons.)
Organizational Structure (Not Relevant: The management structure of the company is very flat and simple,All the projects are not significantly different.)
Type of Work: All projects are technically divided into two categories, B/S architecture and C/S architecture. These two use different development tools and techniques. |
| Sampling Factor Values: |
C/S architecture (Type of Work): The technical architecture of the project is in the form of the Client/Server.
B/S architecture (Type of Work): The technical architecture of the project is in the form of the Browser/Server. |
| Subgroups: |
Subgroup 1: The technical architecture of the project is in the form of the Client/Server.
11 People, 1 Basic Units
– C/S architecture
Subgroup 2: The technical architecture of the project is in the form of the Browser/Server.
10 People, 1 Basic Units
– B/S architecture |