Final answer:
George is using the fieldwork method by living with and adopting the local ways of life to study the culture directly which is different from methods like excavation, artifact collection, or observational studies.
Step-by-step explanation:
The method of research George is using to conduct his study is called fieldwork. This method involves living in the society being studied for an extended period and adopting the local ways of life to the greatest extent possible. It allows the anthropologist to make systematic observations and to immerse themselves directly in the cultural practices, providing a deep understanding of that culture. This type of engagement characterizes fieldwork, distinguishing it from other methods such as excavation (the removal of fossils and artifacts), collection of artifacts (gathering physical cultural items), or a pure observational study (where the observer does not necessarily live within the group).