As the Stanford prison study was not carefully controlled,

it was more of a demonstration than an experiment, and the prisoners and guards may have experienced demand characteristics to behave in their more assigned roles. Researchers have not been able to demonstrate Zimbardo's findings. This lack of research consistency is a problem for which of the six principles of scientific thinking?
A) Falsifiability
B) Replicability
C) Ruling out rival hypotheses
D) Occam's Razor

Answer: B