| Sampling Factors: |
Location (Not Relevant: The software department is located in one site only: Rome.)
Customer (Not Relevant: The software department works for one customer only: ENAV.)
Size (Not Relevant: No significant difference in the way projects are managed and work products developed based on their size.)
Organizational Structure (Not Relevant: All BUs are in the same Department, and they operate according to a common set of processes.)
Type of Work: Three distinct types of work can be identified: Large Enhancements; Small Enhancements & Corrective Maintenance; System Customization. |
| Sampling Factor Values: |
Large Enhancements (Type of Work): Development of new software and/or new functions of existing software systems.
Small Enhancements & Corrective Maintenance (Type of Work): Development of new small software functions or adaptation of existing software functions, and bug fixing.
System Customization (Type of Work): Adaptation of existing software systems to the technical environment of new airports and/or area control centres. |
| Subgroups: |
Large Enhancements: New software system development and/or new significant software functions.
16 People, 4 Basic Units
– Large Enhancements
Small Enh. & Corrective Maint.: Development of small software functions, and bug fixing.
11 People, 2 Basic Units
– Small Enhancements & Corrective Maintenance
System Customization: Adaptation of existing software systems to new airport or ACC stites.
13 People, 2 Basic Units
– System Customization |