To better understand bulimia among college students, a researcher lives in a female freshman dorm ...

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. A limitation of this field study is ____.
 
  a. that it is too tightly controlled
 b. the fact that it is actually a longitudinal study
 c. the possibility that the researcher's presence influenced behavior
  d. that it will have little external validity

Question 2

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?
 
  a. analogue
 b. field
 c. experimental
  d. case

Question 3

The primary method for gathering data in a field study is ____.
 
  a. through the use of questionnaires
 b. by interviewing participants
 c. by analyzing archival data
 d. through observation in the natural environment