| Sampling Factors: |
Location (Not Relevant: Software development work is performed in only one location: Tianjin.)
Customer (Not Relevant: Customers are classified by internal and external. But it equals to the factor “Type of Work”.)
Size (Not Relevant: No effect on implementation. All software development projects have less than 15 employees.)
Organizational Structure (Not Relevant: No effect on implementation. All projects are performed under the same organizational structure.)
Type of Work: Three types of products can be classified, internal product, electricity business system and electricity support system. |
| Sampling Factor Values: |
electricity business system (Type of Work): The manufacturing systems for the electric customers.
electricity support system (Type of Work): The support systems for the electric customers.
internal product (Type of Work): The product for internal management. |
| Subgroups: |
1: One project belongs to internal product.
9 People, 1 Basic Units
– internal product
2: Two projects belong to the Business type.
12 People, 2 Basic Units
– electricity business system
3: Two projects belong to the Support type.
12 People, 2 Basic Units
– electricity support system |