| Sampling Factors: |
Location (Not Relevant: Two locations: Taean-gun and Pocheon-si. But location is not a considerable sampling factor because two locations follow the same process and tailoring guideline.)
Customer (Not Relevant: Customers of OU are government customers and defense industry companies. But all projects follow same military weapon system test process.)
Size (Not Relevant: All of projects are similar size, size is not a relevant factor.)
Organizational Structure (Not Relevant: All projects are under control of 5th R&D Institute.)
Type of Work: There are three types of test: Technical test, Acceptance test, Technical Service test. Each test type has some special processes. |
| Sampling Factor Values: |
Technical Test (Type of Work): Tests during weapon system development by ADD.
Acceptance Test (Type of Work): Acceptance test for military use.
Technical Service Test (Type of Work): Contract based tests. |
| Subgroups: |
A: Technical Test
45 People, 1 Basic Units
– Technical Test
B: Acceptance Test
37 People, 1 Basic Units
– Acceptance Test
C: Technical Service Test
33 People, 1 Basic Units
– Technical Service Test |