Stanford Prison
Experiment
How were participants selected?
• In order to be selected participants responded
to an ad in the newspaper asking for
volu...
The study begins and is made to be as realistic as
possible with candidates being arrested and detained.
Creating the prison…
• The fake prison was created by boarding up each
end of a corridor in the basement of Stanford's
Psy...
Blindfolds…
• The use of blindfolds meant that the group could
not see there surroundings when going to the toilet
and sti...
Uniform…
• Each male was given a uniform made up of a dress, or
smock, which each prisoner wore at all times with no
under...
Removal of individuality.
• ID numbers were a way to make prisoners feel
anonymous. Each prisoner had to be called only by...
Blindfolds…
• The use of blindfolds meant that the group could
not see there surroundings when going to the toilet
and sti...
Guards
• Guards were given no specific training on how to be guards. Instead they were
free, without limits, to do whateve...
Punishment?
• Push-ups were a common form of physical
punishment imposed by the guards to punish
infractions of the rules ...
• https://www.youtube.com/watch?v=uTdttd7X
TfQ
REBELLION…
• The rebellion was unexpected as the first day passed without
incident, they was surprised and totally unprepa...
Control
• At first they insisted that reinforcements be called in.
The three guards who were waiting on stand-by call at h...
PRIVILAGES…
• privilege cell. The three prisoners least involved in
the rebellion were given special privileges. They got
...
RUMOURS…
• The next major event we had to contend with was a
rumoured mass escape plot. One of the guards
overheard the pr...
Plan B…
• The second plan was to dismantle the jail after the visitors
left, call in more guards, chain the prisoners toge...
• The experiment was cancelled after only three days as a
visitor highlighted the problems zimbardo had created and
the er...
Prison experiment zimbaredo   jordan carer
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Prison experiment zimbaredo jordan carer

  1. 1. Stanford Prison Experiment
  2. 2. How were participants selected? • In order to be selected participants responded to an ad in the newspaper asking for volunteers. Around 70 people responded leading to the diagnostic interviews personality tests to eliminate candidates with psychological problems, medical disabilities, or a history of crime or drug abuse leaving with a sample of 24 average group of healthy, intelligent, middle- class male students wanting to earn $15 a day. These boys are then randomly put into two groups, either prisoners or guards.
  3. 3. The study begins and is made to be as realistic as possible with candidates being arrested and detained.
  4. 4. Creating the prison… • The fake prison was created by boarding up each end of a corridor in the basement of Stanford's Psychology Department building to create "The Yard" and was the only outside place where prisoners were allowed to walk, eat, or exercise, except to go to the toilet down the hallway (which prisoners did blindfolded so as not to know the way out of the prison). They even took the doors off some laboratory rooms and replaced them with specially made doors with steel bars and cell numbers to create prison cells.
  5. 5. Blindfolds… • The use of blindfolds meant that the group could not see there surroundings when going to the toilet and still believed they was within the ‘prison’. Also blindfolds make the body more sensory stimulating thoughts as the eyes are not able to see leaving the image to the imagination.
  6. 6. Uniform… • Each male was given a uniform made up of a dress, or smock, which each prisoner wore at all times with no underclothes with his prison ID number on the front and back. On each prisoner's right ankle was a heavy chain, bolted on and worn at all times in order to remind prisoners of the oppressiveness of their environment. Even when prisoners were asleep, they could not escape the atmosphere of oppression. When a prisoner turned over, the chain would hit his other foot, waking him up and reminding him that he was still in prison, unable to escape even in his dreams. Rubber sandals were the footwear, and each prisoner covered his hair with a stocking cap made from a woman's nylon stocking. This uniform emasculated the men and quickly altered the way they walked, sat and held themselves.
  7. 7. Removal of individuality. • ID numbers were a way to make prisoners feel anonymous. Each prisoner had to be called only by his ID number and could only refer to himself and the other prisoners by number not name. • The stocking cap on his head was a substitute for having the prisoner's hair shaved off. The process of having one's head shaved, which takes place in most prisons as well as in the military, is designed in part to minimize each person's individuality, since some people express their individuality through hair style or length.
  8. 8. Blindfolds… • The use of blindfolds meant that the group could not see there surroundings when going to the toilet and still believed they was within the ‘prison’. Also blindfolds make the body more sensory stimulating thoughts as the eyes are not able to see leaving the image to the imagination.
  9. 9. Guards • Guards were given no specific training on how to be guards. Instead they were free, without limits, to do whatever they thought was necessary to maintain law and order in the prison and to command the respect of the prisoners. The guards made up their own set of rules, which they then carried into effect under the supervision of Warden David Jaffe, an undergraduate from Stanford University. They were warned, however, of the potential seriousness of their mission and of the possible dangers in the situation they were about to enter, as, of course, are real guards who voluntarily take such a dangerous job. This is what one of our guards looked like. All guards were dressed in identical uniforms of khaki, and they carried a whistle around their neck and a billy club borrowed from the police. Guards also wore special sun-glasses, an idea I borrowed from the movie Cool Hand Luke. Mirror sunglasses prevented anyone from seeing their eyes or reading their emotions, and thus helped to further promote their anonymity. We were, of course, studying not only the prisoners but also the guards, who found themselves in a new power-laden role.
  10. 10. Punishment? • Push-ups were a common form of physical punishment imposed by the guards to punish infractions of the rules or displays of improper attitudes toward the guards or institution. When we saw the guards demand push-ups from the prisoners, we initially thought this was an inappropriate kind of punishment for a prison -- a rather juvenile and minimal form of punishment. However, we later learned that push-ups were often used as a form of punishment in Nazi concentration camps,
  11. 11. • https://www.youtube.com/watch?v=uTdttd7X TfQ
  12. 12. REBELLION… • The rebellion was unexpected as the first day passed without incident, they was surprised and totally unprepared for the rebellion which broke out on the morning of the second day. The prisoners removed their stocking caps, ripped off their numbers, and barricaded themselves inside the cells by putting their beds against the door. The problem was, what were we going to do about this rebellion? The guards were very much angered and frustrated because the prisoners also began to taunt and curse them. When the morning shift of guards came on, they became upset at the night shift who, they felt, must have been too lenient. The guards had to handle the rebellion themselves, and what they did was fascinating for the staff to behold.
  13. 13. Control • At first they insisted that reinforcements be called in. The three guards who were waiting on stand-by call at home came in and the night shift of guards voluntarily remained on duty to bolster the morning shift. The guards met and decided to treat force with force. They got a fire extinguisher which shot a stream of skin-chilling carbon dioxide, and they forced the prisoners away from the doors. The guards broke into each cell, stripped the prisoners naked, took the beds out, forced the ringleaders of the prisoner rebellion into solitary confinement, and generally began to harass and intimidate the prisoners
  14. 14. PRIVILAGES… • privilege cell. The three prisoners least involved in the rebellion were given special privileges. They got their uniforms back, got their beds back, and were allowed to wash and brush their teeth. The others were not. Privileged prisoners also got to eat special food in the presence of the other prisoners who had temporarily lost the privilege of eating. The effect was to break the solidarity among prisoners. The guards were especially tough on the ringleader of the rebellion, Prisoner #5401. He was a heavy smoker, and they controlled him by regulating his opportunity to smoke.
  15. 15. RUMOURS… • The next major event we had to contend with was a rumoured mass escape plot. One of the guards overheard the prisoners talking about an escape that would take place immediately after visiting hours. The rumour went as follows: Prisoner #8612, whom we had released the night before, was going to round up a bunch of his friends and break in to free the prisoners. They decided to put an informant (an experimental confederate) in the cell that #8612 had occupied. The job of our informant would be to give us information about the escape plot.
  16. 16. Plan B… • The second plan was to dismantle the jail after the visitors left, call in more guards, chain the prisoners together, put bags over their heads, and transport them to a fifth floor storage room until after the anticipated break in. When the conspirators came, the chief would be sitting there alone. he would tell them that the experiment was over and we had sent all of their friends home, that there was nothing left to liberate. After they left, we'd bring our prisoners back and redouble the security of our prison. • However the break in never materialised and turned out to be just a rumour.
  17. 17. • The experiment was cancelled after only three days as a visitor highlighted the problems zimbardo had created and the error of his ways.

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