If Concealment Efforts Are Deemed Justifiable and Acceptable for the Purposes

Multiple Choice

If concealment efforts are deemed justifiable and acceptable for the purposes of the specific research question, which setting would be considered an ethical medium for obtaining the data?

A) hiding under someone's bed in their dorm room
B) sitting on a bench in a community park
C) installing hidden cameras in a bathroom
D) audio recording conversations in retail store fitting rooms