| Sampling Factors: |
Location (Not Relevant: All the three subgroups are based on the same location, in Lima.)
Customer (Not Relevant: The contracts for developing and maintaining systems within the Business Systems Department follow tgestiona’s processes.)
Size (Not Relevant: Deliveries are split into increments of 4 weeks, addressing larger projects in the same manner than smaller ones.)
Organizational Structure (Not Relevant: The structure is common for all the projects and services.)
Type of Work: This point consolidates a key factor affecting the way in which processes are implemented, resulting in two possible values for development projects and maintenance contracts.
Paradigm: The paradigm followed for developing software results in different processes and their associated capabilities with two possible values classic waterfall life cycles and agile Scrum. |
| Sampling Factor Values: |
DEV (Type of Work): Development Projects
MAINT (Type of Work): Maintenance contracts.
WAT (Paradigm): Standard waterfall development projects
AGI (Paradigm): Agile Scrum development projects |
| Subgroups: |
1. DEV. WAT: Development projects using a standard waterfall life cycle.
12 People, 3 Basic Units
– DEV
– WAT
2. MAINT.WAT: Maintenance contracts using a standard waterfall life cycle.
21 People, 3 Basic Units
– WAT
– MAINT
3. MAINT.AGI: Maintenance contracts using an Agile Scrum approach.
12 People, 2 Basic Units
– MAINT
– AGI |