Outline Zimbardo’s research into conformity to social roles.
They were deindividuated by giving prisoners numbers and instructing everyone to only refer to them by their number. They also gave the guards uniforms and the prisoners smocks to further increase situational factors and deindividuation.
Zimbardo played the role of the prison warden where he, and his team of researchers, observed the participants' behaviour to assess whether they would conform to their social roles of prison guard or prisoner.