Which of the Following Is an Advantage of Being a Participant

Which of the following is an advantage of being a participant observer?

A) Complete observation lies between the "field research-complete participation" continuum.
B) Complete observers will have the opportunity to fully grasp what life is like for the people they observe.
C) Complete participation has the benefit of allowing researchers a real taste of life in the group that they study.
D) Complete participants can excuse themselves from situations that they'd rather not face.
E) Complete participants who do not reveal themselves as researchers will not have to face the ethical quandary of possibly deceiving their "subjects."