||Location (Not Relevant: Work is performed in the same geographical area (Guangzhou))
Customer (Not Relevant: Only one kind of customer, related to R&D Center for Intelligent Application Products customers following same processes.)
Size (Not Relevant: Similar medium sized projects, following same standard processes for software development)
Organizational Structure (Not Relevant: Same department, structure is common for all the units.)
Type of Work (Not Relevant: Type of work is only one: software development.)
All Projects: This is a homogeneous environment where all projects follow the same processes. Only one subgroup (All Projects) and as seen above, per the formula one project is the minimum requirement to cover all applicable process areas, but we will sample a second project for additional coverage.