Final answer:
Participant Observation is a key anthropological research strategy that involves both participation and observation of the daily life of the people being studied.
Step-by-step explanation:
Participant Observation is a key anthropological research strategy involving both participation in and observation of the daily life of the people being studied. This method allows researchers to immerse themselves in a cultural community and collect information through first-hand observation and participation in the culture. For example, a researcher might work as a waitress in a diner, live as a homeless person, or ride along with police officers to gain insights into specific aspects of social life.