Final answer:
Before fieldwork can begin, an anthropologist must engage in the practices required by institutional review boards (IRBs) to ensure ethical considerations are met.
Step-by-step explanation:
Before fieldwork can begin, an anthropologist must engage in a set of practices required by institutional review boards (IRBs) to ensure ethical considerations are met. These practices may include obtaining informed consent from participants, protecting participant confidentiality, and addressing potential risks and benefits of the research. The IRB review process is designed to protect the rights and well-being of participants and ensure that the research is conducted in an ethical manner.