"to better understand bulimia among college students, a researcher lives in a female freshman dorm for the fall semester to observe and interview students about their stresses, attitudes, and eating behaviors. This is an example of what type of study?"

Field Research

Explanation:

Based on the scenario being described this is an example of a Field Study, also known as Field Research. This type of study/research focuses on collecting valuable raw data from outside of a laboratory, library, or workplace setting and usually directly from the source of what is being studied. Which in this scenario would be the dormitories in which the college students (research subjects) live.

answer; (d) one tectonic plate plunges beneath another; (most common,convergent boundaries)