One of the ethical issues surrounding the stanford prison experiment was the
a.
type of food given to the subjects
b.
blurred boundaries between researcher and subject
c.
cost of the experiment
d.
ease of participating in the experiment

Explanation:

One of the ethical issues surrounding the Stanford prison experiment was the blurred boundaries between researcher and subject.

blurred boundaries between researcher and subject (B.) I think this is the answer.

The answer is B. Blurred boundaries between researchers and subjects

the answer to the question is punishment. or more specifically, positive punishment.

positive punishment occurs when a behavior is given a negative consequence for the individual doing the behavior.

sara no longer wants to ask questions (the behavior) because she is ridiculed by mr. smith (the punishment).

reinforcement is inaccurate because reinforcement always gives positive consequences for the individual doing the behavior, be it by introducing a pleasant consequence or removing an unpleasant one.