| Sampling Factors: |
Location (Not Relevant: Not Relevant: All projects are working in the same location in Bangkok, so this is not a relevant sampling factor)
Customer (Not Relevant: Not Relevant: All projects are developed for all type of customer)
Size: Relevant: All projects are different in size, and we can group as a small and large project. Small project : duration <= 3months=”” large=”” project:=”” duration=””> 3 months
Organizational Structure (Not Relevant: Not Relevant: All projects are working under the same organization and management structure, so organizational structure is not a relevant sampling factor)
Type of Work: Relevant: There are two type of project which are new development or enhancement.
|
| Sampling Factor Values: |
Small (Size): Duration <=>
Large (Size): Duration > 3 months
New Development (Type of Work): New development project
Enhancement (Type of Work): Enhancement from existing product |
| Subgroups: |
1: New development project and project’s duration <=>
14 People, 2 Basic Units
– Small
– New Development
2: Enhancement project and project’s duration <=>
8 People, 1 Basic Units
– Enhancement
– Small
3: New development project and project’s duration > 3months
8 People, 1 Basic Units
– Large
– New Development
4: Enhancement project and project’s duration > 3months
8 People, 1 Basic Units
– Enhancement
– Large |