Zimbardo is most famous for the 'Stanford Prison Experiment' (1971)
Zimbardo aimed to find out why people conform to their roles in society
24 male students were assigned to either guard or prisoner
Set up a realistic mock prison within Stanford University
The only instruction given to guards was that they had to keep law and order in the prison by whatever means necessary
Planned to last 2 weeks, only lasted 6 days
Guards wore sunglasses to create a barrier between prisoners
Social role- the parts individuals play as members of a social group which meet the expectation of that situation
De-individuation- individuals lower their morals to take part in actions others are participating in. Have a weaker sense of personal responsibility
Dehumanisation- Degrading people by lessening their humanity
A participant said he saw the experiment as an "improv exercise", however psychologists have said that people cannot keep up an act for that long
Someone shared their experiences in a "spanish jail section of San Quentin", which Zimbardo took and shared with the guards (bags over heads, being chained together, etc)
Participants did not give informed consent
Took 1 day for guards to abuse their power
Guards used psychological and physical abuse: sleep deprivation, fire extinguishers in cells, etc
One prisoner broke down on day 3 and had to be removed from the experiment. 2 other prisoners also had to be removed
Zimbardo claims no participants suffered long term damage
Transcripts showed researchers "coached" guards to "act tough"
Generalisability
Only male, uni students
Men and women do not share prisons- so it is accurate
American prison
Sampling Method
Volunteer
The most mentally stable people were picked by Zimbardo
Randomly allocated to be a prisoner or guard
Research method
Overt observation- may have played up the roles
Participant observation- could not view it all objectively, also conformed to his social role
Naturalistic observation- could not control anything
Validity
Ecological- men and women do not share prisons in real life