Jane Goodall lived among wild chimpanzees intermittently for decades, studying their social and family systems while keeping her interaction with the chimpanzees to a minimum. Her research method can most accurately be described as:

Answer:naturalistic observation

Explanation:

Naturalistic observation is a type of research in which the subjects are observed in their natural environment without any manipulation or intervention by a researcher.

This is usually done if doing a laboratory experiments will be impossible for that type of research or would not yield a true representation of what is being researched.

Scientists believe that subject behave normal or natural in their natural habitat, where they are not disturbed which means one will get a true sense of their behaviour.