||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 (Not Relevant: All projects are almost of the same scale, hence it is not a relevant sampling factor.)
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: Projects are developed in the similar technology but Product Development Type (New product development and Enhancement) is different for basic units. Product Development Type results in different tailoring in processes, such as initiation, work product output and combination, work product review and monitoring activities.