| Sampling Factors: |
Location (Not Relevant: All projects are working in the same location in Bangkok, so this is not a relevant sampling factor)
Customer: There are 2 groups of customer which are external customer and internal customer.
Size: 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: All projects are working under the same organization and management structure, so organizational structure is not a relevant sampling factor)
Type of Work (Not Relevant: All projects are working in similar development environments with similar work, and process context, so type of work is not a relevant sampling factor.)
|
| Sampling Factor Values: |
External (Customer): External customer
Internal (Customer): Internal customer
Small (Size): Duration <=>
Large (Size): Duration > 3 months |
| Subgroups: |
1: Project for external customer and project’s duration<= 3=””>
8 People, 2 Basic Units
– Small
– External
2: New development project andproject’s duration <=>
6 People, 1 Basic Units
– Small
– Internal
3: New development project and project’s duration <= 3=””>
2 People, 1 Basic Units
– Large
– External |