Answer:
Includes anyone that conducts and reports research.
Step-by-step explanation:
As defined in the U.S Public Health Services [PHS] Regulations, the term investigator means the principal investigator or any other individual who has the responsibility of designing, conducing and reporting research that are sponsored by the PHS or suggested to receive such sponsorship in the future. Investigator also includes their spouses and children that are still under their care.