- Sampling Summary：
（抽样汇总） -
Sampling Factors: Location (Not Relevant: Not considered. All projects in ITsD are in Hong Kong.))
Customer (Not Relevant: Not considered. ITsD only serve IT projects for Hong Kong Housing Authority.))
Size (Not Relevant: Not considered. the development process are basically the same.))
Organizational Structure (Not Relevant: Not considered. All projects are under ITsD. No further sub-divisions.))
Type of Work: development vs maintenance projects
Project nature: whether develop inhouse or outsourceSampling Factor Values: Development (Type of Work): Development projects
Maintenance (Type of Work): software under on-going manitenance
In-house (Project nature): Develop by in-house people
outsource (Project nature): outsource the development work to external contractorsSubgroups: 1: In-house, development projects
30 People, 3 Basic Units
– Development
– In-house
2: Outsource development projects
12 People, 4 Basic Units
– outsource
– Development
3: in-house maintenance projects
43 People, 3 Basic Units
– Maintenance
– In-house
4: Outsource maintenance projects
7 People, 2 Basic Units
– outsource
– Maintenance