Final answer:
The answer is True. Selection tests must be validated in the organization that uses them regardless of the validity shown in other similar organizations.
Step-by-step explanation:
The answer to the given question is a) True. Selection tests must be validated in the organization that uses them regardless of the validity shown in other similar organizations. This is because each organization may have different needs, requirements, and standards, so it is important to validate the tests specifically for that organization.