||Location (Not Relevant: All projects are developed by teams in the same locations: Shanghai and Chongqing.)
Customer (Not Relevant: All their customers are large and mature enterprises, whose business is heavily enabled by ERP software.)
Size: Projects” development processes differ by size — medium large size or small size.
Organizational Structure (Not Relevant: All projects are from the same service line: the Java Product Line.)
Type of Work (Not Relevant: All projects are of the same type — new software development across all life cycle phases.)
|Sampling Factor Values:
||Medium-Large (Size): Projects with team size of 6 FTEs or more.
Small (Size): Projects with team size of 5 FTEs or less.
Medium-Large: Projects in this subgroup are of the Medium-Large project type.
129 People, 7 Basic Units
Small: Projects in this subgroup are of the Small project type.
19 People, 4 Basic Units