If you expect to use or study living humans in your research, no matter how harmless that use may seem, you should do the following EXCEPT:
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familiarize yourself with your responsibilities and check with someone in a position of authority before making any contacts or undertaking any work.
be sure that participants are over 18 years old.
have the research proposal be reviewed and approved by an independent committee called an Institutional Review Board or IRB.
respect for persons and their right to make decisions for and about themselves without undue influence or coercion from someone else.