| Sampling Factors: |
Location (Not Relevant: All the projects are developed in the headquarters(Beijing). So the location is irrelevant.)
Customer (Not Relevant: All the customers are the Communications industry.So the customer is irrelevant.)
Size (Not Relevant: All the team sizes are between 15 to 25 people. The projects have similar size. So the size is irrelevant.)
Organizational Structure (Not Relevant: The company”s management structure is very flat and simple,All the projects are not significantly different.)
Type of Work: There are two kinds of project: 1. Security Platform 2. Network System The Security Platform projects are B/S architecture,and Network System projects are C/S architecture. The two types of projects have different techniques and development apporaches. |
| Sampling Factor Values: |
Security platform (Type of Work): The projects are secure platform developed by the Network Security Operation Center. The projects are B/S architecture.
Network System (Type of Work): The Projects are network system developed by the Intelligent Network Department. The projects are C/S architecture. |
| Subgroups: |
Subgroup 1: The projects are for Security platform
43 People, 14 Basic Units
– Security platform
Subgroup 2: The projects are for Network System
38 People, 6 Basic Units
– Network System |