| Sampling Factors: |
Location (Not Relevant: Only the location of Changzhou is consedered in this appraisal.)
Customer (Not Relevant: Healthcare management authorities and hostipal. There is no difference between these two customer types, in terms of the processes implemented.)
Size (Not Relevant: Basic units are with the similar size in terms of duration and team size.)
Organizational Structure (Not Relevant: Basic units are executed by the same set of organizational departments, namely, R&D, Testing, PMO, MD, and QAD.)
Type of Work (Not Relevant: New projects and upgrade projects. There is no difference between these two types of effort.)
Technology Platform: Jave-based development and .Net based development. Statistical method is applied to verify the differences existed between these two platforms (e.g., in terms of defect density) |