| Sampling Factors: |
Location (Not Relevant: All work is performed in one location, hence not a relevant sampling factor.)
Customer (Not Relevant: The same customer type for all basic units, hence is not relevant sampling factor.)
Size (Not Relevant: All projects are almost of the same scale with 9 to 11 developers in the project team, hence is not a relevant sampling factor)
Organizational Structure (Not Relevant: All team reports to one senior manager and all basic units belong to one technology department, hence is not a relevant factor.)
Type of Work (Not Relevant: All work are research and development work, hence not a relevant sampling factor)
Life Cycle: Different Development Life Cycle |
| Sampling Factor Values: |
Development (Life Cycle): Development type of work using Waterfall Prototype
Maintenance (Life Cycle): Enhancement to existing system waterfall |
| Subgroups: |
Development and Waterfall: The projects include grounds up development
20 People, 5 Basic Units
– Development
Development and Waterfall Prototype: This refers to projects that involves revising existing system to add functionalities and fix some part of existing systems.
17 People, 3 Basic Units
– Development |