||Location (Not Relevant: All Work done in single Location Chengdu, hence it is not a sampling factor.)
Customer (Not Relevant: The same customer type for all basic units, hence it is not relevant sampling factor.)
Size: There are 3 different project sizes based on man-months, small (below 10 man-months), medium (between 10 to 25 man-months), large (above 25 man-months). Different size leads to different tailoring of processes, such as VER and PMC processes.
Organizational Structure (Not Relevant: All teams report to one senior manager and all basic units belong to one technology department, hence it is not a relevant factor.)
Type of Work (Not Relevant: All projects are development projects using similar technology, and the work performed is conducted following the standard processes, hence it is not a sampling factor.)