The statistical method initially used to select Members shall be a simple random sample. The IQA shall hire experts to advise on the long-term optimal statistical method considering factors such as:
- IQA control of the process and bureaucratic complexity of the statistical method.
- Availability and quality of databases.
- Frequency of excuse from service.
- Feasibility, auditability, and randomness of system.
- Fairness of system to the People and the Members.