The Stanford Prison Experiment by e1X71NK

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									The Stanford Prison
    Experiment

       Max Rowe
                          The Purpose
•   The Stanford prison experiment was a
    study of the psychological effect of
    becoming a prisoner or prison guard.
•   Lasting for only six days, from August
    14 to 20, 1971, the experiment was
    conducted by a team of researchers at
    Stanford University led by the
    psychology professor Phillip Zimbardo.
                             The Set-Up
•   In the experiment, Zimbardo and his team
    wanted to test the idea that abusive
    prison situations were caused by the
    inherent personality traits of prisoners
    and guards.
•   Zimbardo’s team placed an ad in the local
    newspaper calling for volunteers in a two-
    week prison simulation.
•   Out of the 75 respondents, most of whom
    were white and middle-class, Zimbardo
    and his team chose the 24 males whom
    they deemed to be the most
    psychologically stable and healthy to
    participate in the study.
•   The participants were randomly divided
    into two groups by a coin flip, half of them
    assigned the roles of guards, the other
    half prison inmates.
                                The Beginning
•   The day before the experiment, the researchers
    held an orientation session for guards.
•   During this session, the guards were told that
    they were not permitted to physically harm the
    prisoners, but they could use various
    psychological methods to degrade and
    dehumanize the prisoners in order to instill a
    feeling of powerlessness.
•   On the first day of the experiment, participants
    assigned the role of prisoners were arrested at
    their homes by the local police department,
    which had agreed to assist Zimbardo, and
    charged with armed robbery.
•   Afterwards, the prisoners were transported to a
    mock prison in the basement of one of the
    buildings at Stanford University, where they
    were to be given their new identities.
•   http://www.youtube.com/watch?v=sYtX2sEaeFE
    &feature=player_embedded
The Beginning (cont’d)
•   Upon arrival, the prisoners were each greeted
    individually by the warden, who recounted to
    them the seriousness of their crimes.
•   Each prisoner was then strip-searched and
    deloused, providing a humiliating experience.
•   Prisoners were forced to wear uncomfortable
    clothing and assigned numbers, sewn to their
    uniforms, by which guards addressed them,
    rather than calling them by name. A chain
    around their ankle further reinforced the role
    of prisoner.
•   Guards were provided with wooden batons,
    meant to establish their status, which were
    not to be used on prisoners.
•   The Guards were also outfitted in khaki pants
    and shirts from a military surplus store, and
    provided with mirrored sunglasses in order to
    prevent eye contact with prisoners.
                                  The Guards
•   The experiment began with nine guards and nine
    prisoners in the jail.
•   Three guards worked three eight hour shifts
    each, while each of the three cells constantly
    contained three prisoners.
•   Prisoners were awakened from sleep at 2:30 AM
    for “counts”, serving to familiarize the prisoners
    with their numbers.
•   Early on, the prisoners were still trying to assert
    their independence and the guards were
    inexperienced, leading to some confrontations
    between prisoners and guards.
•   Guards began using push-ups as a form of
    physical punishment, and one of the guards
    would step on the prisoners’ backs, or make
    other prisoners sit or step on the backs of their
    inmates doing push-ups.
•   http://www.youtube.com/watch?v=x3wxEmHqV
    CY&feature=player_embedded
                                     Rebellion
•   Though the first day of the experiment passed without incident,
    on the morning of the second day, a rebellion broke out.
•   Prisoners removed their stocking caps, ripped off their numbers,
    and used their beds to barricade themselves inside their cells.
•   The guards were frustrated and angry with the prisoners,
    especially once the inmates began to taunt and curse them, and
    even angry with each other; once the morning guards came in,
    they were angry with the night guards, who they felt must have
    been too lenient.
•   In order to handle the rebellion, the guards first called in
    reinforcements, bringing in the three guards who were waiting at
    home on stand-by call.
•   The guards then used a fire extinguisher to force the prisoners
    away from the doors with bursts of ice-cold CO2.
•   http://www.youtube.com/watch?v=uTdttd7XTfQ&feature=player
    _embedded
•   Once reinforcements arrived, the guards broke into each cell,
    stripping the prisoners and removing their beds.
•   After the rebellion, the guards began to harass and intimidate
    the prisoners.
              Controlling the Prisoners
•   After the rebellion was put down, the
    guards had to find a way to keep the
    prisoners under control.
•   Faced with the problem of an insufficient
    staff-to-prisoner ratio, one of the guards
    came up with the solution of using
    psychological tactics rather than physical
    ones to control the prisoners.
•   One of the three cells was designates as a
    “privilege cell”, where the three prisoners
    least involved in the rebellion were given
    special privileges.
•   This was attempted in order to break the
    solidarity among prisoners.
    Controlling the Prisoners (cont’d)
•   The guards then took some of these
    privileged prisoners and put them into
    “bad” cells, replacing them with some of
    the “bad” prisoners after half a day.
•   Some of the ringleaders now thought
    that the prisoners from the privileged cell
    must be informers for the guards, and
    distrust began to grow between the
    prisoners.
•   The rebellion also bolstered solidarity
    among the guards.
•   Instead of seeing the experiment as only
    a simulation, guards began to see the
    prisoners as troublemakers who were out
    to get them, and began increasing their
    control, surveillance and aggression
    accordingly.
               Descending Into Tyranny
•   The guards began to control every single aspect of the prisoners’ lives, even the ability to be
    able to go to the toilet.
•   Occasionally, guards would not allow prisoners to empty their waste buckets, adding to the
    degrading atmosphere of the prison.
•   The guards were especially tough on Prisoner #5401, who had orchestrated the rebellion.
•   Prisoner #5401 was a heavy smoker, and the guards would control him by regulating his
    ability to smoke.
•   Some of the guard became increasingly cruel as the experiment continued, with
    experimenters saying that one-third of the guards exhibited genuine sadistic tendencies.
•   When a visiting hour was held for parents and friends, the experimenters manipulated both
    the situation and the visitors by making the prison environment seem pleasant.
•   The experimenters had the prisoners washed, shaved, and groomed, had them clean their
    cells, fed them, and played music on the intercom.
•   When the visitors came, the experimenters had them register, wait half an hour, and told
    them that only two visitors could see any one prisoner, could only have ten minutes of
    visiting time, and had to be under guard supervision during the visit.
•   The parents complained about these rules, but, surprisingly, obeyed them even so.
           The First Prisoner Released
•   Less than 36 hours into the experiment, one of the prisoners,
    Prisoner #8612, began to break down.
•   Despite this, the administrative group had fallen into their roles
    as prison authorities to the point where they thought he was
    trying to fool them into releasing him.
•   When the primary prison consultant interviewed the prisoner,
    he chided him for being so weak and then gave the prisoner the
    offer of becoming an informant in exchange for escape from
    guard harassment.
•   During the next count, Prisoner #8612 began to tell other
    prisoners that “You can’t leave. You can’t quit”, and then began
    to break down even further, to the point where the
    administrative group became convinced that he really was
    suffering and had to release him.
                           The Escape Plot
•   Afterwards, one of the guards heard prisoners talking about an
    escape that was planned for after visiting hours.
•   The rumor stated that Prisoner #8612 was going to round up
    some friends to break in and free the prisoners.
•   Rather than recording the rumor transmission and preparing to
    observe the escape, the experimenters reacted with concern
    over the security of the prison, holding a strategy session to
    plan how to stop the escape.
•   After the meeting, the experimenters decided to put an
    informant in the cell that Prisoner #8612 had occupied, in order
    to relay information about the escape plot to the administrative
    group.
•   Dr. Zimbardo then went to the Palo Alto Police Department and
    asked the sergeant if the prisoners could be transferred to their
    old jail, but when he was turned down he left angry and
    disgusted at the lack of cooperation.
               The Escape Plot (cont’d)
•   A second plan was formulated; the jail was to be dismantled after
    visiting hours, more guards were to be called in, and the prisoners
    were to be chained together with bags placed over their heads and
    then transported to a storage room until after the break in.
•   When the people #8612 had gathered came, Dr. Zimbardo would
    be sitting in the prison alone and would tell them that the
    experiment was over and their friends had been sent home.
•   After the conspirators left, the experimenters would bring the
    prisoners back and increase the security of the prison.
•   In the end, the rumor of the prison break turned out to be just a
    rumor.
•   Frustrated with the amount of wasted effort they had put into
    stopping the prison break, the guards noticeably increased their
    level of harassment, further humiliating the prisoners and forcing
    them to do menial, repetitive work such as cleaning out toilet
    bowls with their bare hands.
•   At this point in the study, a Catholic priest who had been a prison
    chaplain was invited to come and evaluate how realistic the
    prison situation was.
•   The priest interviewed each prisoner individually, and half of the
    prisoners introduced themselves by number instead of by name.
•   One of the prisoners, Prisoner #819, was feeling sick, had refused
    to eat, and wanted to see a doctor, not a priest.
•   When he was convinced to come out of his cell and talk to the
    priest and superintendent he broke down and began crying
    hysterically.
•   Dr. Zimbardo took the chain off his foot, the cap off his head, and
    told him to go rest and that he would get him some food and
    then take him to a doctor.
•   While this was happening, one of the guards lined up the
    remaining prisoners and had them chant: “Prisoner #819 is a bad
    prisoner. Because of what Prisoner #819 did, my cell is a mess,
    Mr. Correctional Officer."
•   When Dr. Zimbardo heard the chanting, he went back
    to the room where he had left Prisoner #819 and
    suggested that they leave, but the prisoner refused.
•   He didn’t want to leave because the others had
    labeled him a bad prisoner, and even though he was
    sick, he wanted to go back and prove he was not a bad
    prisoner.
•   Dr. Zimbardo had to remind him that this was just an
    experiment before he would agree to leave and get
    help.
•   http://www.youtube.com/watch?v=Ol1KB-
    _rIgA&feature=player_embedded
                  The Guards Transform
•   By the fifth day, the guards fell into their jobs more
    easily, with three types of guards arising.
•   There were the tough, but fair guards who followed
    prison rules, there were “good guys”, who did little
    favours for the prisoners and never punished them,
    and there where the hostile, arbitrary guards who
    were quite inventive in their forms of prisoner
    humiliation.
•   These hostile guards, roughly a third of the group,
    appeared to enjoy the power they wielded, though
    none of the preliminary personality tests had
    predicted this type of behavior.
•   The prisoners nicknamed the most macho and brutal
    guard in the study “John Wayne” because of his “Wild
    West” cowboy macho image in abusing the inmates.
                Prisoners’ Coping styles
•   The prisoners coped with their feeling of powerlessness and
    frustration in different ways.
•   At first, some prisoners rebelled or fought with the guards,
    and four prisoners reacted by breaking down emotionally.
•   One prisoner developed a psychosomatic rash over his entire
    body when he learned that his parole request had been
    declined.
•   Some of the prisoners tried to cope by being good prisoners,
    doing whatever the guards wanted them to do.
•   By the end of the study the prisoners had fallen apart, both as
    individuals and as a group, with all the group unity that had
    been present in the beginning disintegrating as the guards
    gained total control of the prison.
                             Prisoner #416
•   When Prisoner #416 was admitted as one of the stand-by prisoners, unlike the other
    prisoners there was no gradual increasing of harassment, and he was thrown right into
    the worst of the study.
•   Prisoner #416 coped by going on a hunger strike in an attempt to force his release.
•   After the guards were unsuccessful in getting #416 to eat, they threw him into solitary
    confinement for 3 hours, even though rules stated that one hour was the limit.
•   Though he should have been seen as a hero to the other prisoners, his inmates only saw
    him as a troublemaker.
•   The head guard then gave the prisoners a choice; they could let #416 come out of solitary
    if they gave up their blankets, or they could leave him in solitary all night.
•   Most prisoners chose to keep their blankets, and the administrative team was forced to
    intervene and return #416 to his cell.
•   http://www.youtube.com/watch?v=uczcm1RGlPg&feature=player_embedded
            The End of the Experiment
•   This was the point when it became clear that the study had to
    end.
•   An extremely powerful situation in which prisoners were
    withdrawing and guards were behaving sadistically had been
    created, and even the “good” guards felt helpless to intervene.
•   Dr. Zimbardo ended the study prematurely for two reasons.
•   First, the administrators had learned that the guards were
    further abusing the prisoners in the middle of the night when
    they thought no researchers were watching.
•   Secondly, Christina Maslach, objected to the horrible conditions
    of the prison.
•   Out of around 50 outsiders, she was the only one who ever
    questioned its morality.
                               Conclusion
•   The experiment ended August 20, 1971, six days after it began.
•   The results of the experiment have been argued to support the idea that an individual’s
    behaviour can be caused by a situation, rather than the individual’s personality.
•   The experiment showed just how impressionable and obedient people can be when provided
    with a dehumanizing ideology and institutional support.
                                    Criticism
•   The experiment was heavily criticized as being unscientific and unethical.
•   Current ethical standards of psychology would make it impossible to conduct such a study in
    modern times.
•   Because the study was a field experiment, it was impossible to keep scientific controls in
    place, and conclusions and observations by the experimenters were very subjective.
•   Some critics argued that participants modeled their behaviour after stereotypes, or that
    Zimbardo biased the guards when in his briefing he gave them clear instructions that they
    should oppress the prisoners.
                              Bibliography
•   http://en.wikipedia.org/wiki/Stanford_prison_experiment
•   http://www.prisonexp.org/

								
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