| Sampling Factors: |
Location (Not Relevant: All the applications are developed at one location, i.e. Tai”an City)
Customer (Not Relevant: All the applications are developed for commercial customers)
Size (Not Relevant: Work is not performed differently based on the size of the basic unit/ support group. Basic unit is of medium size that ranges from 6 to 12 persons. There is no process differentiation based on the basis of size)
Organizational Structure (Not Relevant: All development work is carried out in the Software R&D Department)
Type of Work (Not Relevant: All the projects are the software development. No changes to software development processes according to the Type of Work. All software development project types use the same processes. Differences of process implementation are defined according to the Lifecycle used.)
Lifecycle: Lifecycle applied in the projects include the Waterfall + V model and Waterfall model |
| Sampling Factor Values: |
Waterfall + V Model (Lifecycle): The project that applies the Waterfall + V lifecycle.
Waterfall Model (Lifecycle): The project that applies the Waterfall lifecycle. |
| Subgroups: |
Waterfall + V Model: The project that applies the Waterfall + V lifecycle
48 People, 6 Basic Units
– Waterfall + V Model
Waterfall Model: The project that applies the Waterfall lifecycle.
20 People, 3 Basic Units
– Waterfall Model |