||Location (Not Relevant: There is only one location: Beijing, where all software projects were developed.)
Customer (Not Relevant: There is only one type of customer served by the OU: commercial customer(automobile manaufacturing companies))
Size (Not Relevant: Similar size is observed for all candidate projects considered for this appraisal.)
Organizational Structure: The OU consists of two departments: Cloud Platform Department and Terminal Software Department.
Type of Work (Not Relevant: There are two types of work executed by the OU: application development and embedded software development. However, to avoid repetition with Organizational Structure, this is not considered as a sampling factor.)
|Sampling Factor Values:
||Cloud (Organizational Structure): Cloud Platform Department
Terminal (Organizational Structure): Terminal Software Department
GroupA: The subgroup develops platforms served for Internet of Vehicles.
35 People, 2 Basic Units
GroupB: The subgroup develops the software embedded in the hardware: T-Box.
18 People, 1 Basic Units