What caused researchers to stop the Stanford prison experiment after only six days? A. The students' parents had not given their consent to the experiment.
B. The students acting as prisoners were showing signs of extreme distress.
C. The students who were guards were unable to control the prisoners.
D. The students who were acting as prisoners were aggressive and cruel.

B. The students who were acting as prisoners were aggressive and cruel

Explanation:

the answer is poetry : )

explanation:

answer:

i havent taken the psat, but i have the sat, make sure to bring some snacks, because youre in there forever, 2 sharp number two pencils, an sat approved calculator, and maybe a jacket.   your phone and any books will be taken up, so don't try to bring them(but they will be given back at the end of the testing).   good luck!   i hope you do well!