Milgram's Prison Study
- Created by: adelinacrudu
- Created on: 06-05-18 17:11
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- Milgram's obedience study 1963
- procedure
- 40 males P - believed it was a memory study
- 20 - 50 yrs, unskilled to professional jobs
- offered $4.50
- told they can leave study anytime
- P always became the teacher
- confederate - "Mr Wallace" was the learner
- 2nd confederate - the experimenter dressed in lab coat
- he told teacher - no response = wrong answer
- if teacher felt unsure about continuing
- prod 1: "Please continue"
- Prod 2: "The experiment requires that you continue"
- Prod 3: "It is absolutely essential that you continue"
- Prod 4: "You have no choice, you must go on"
- Learner strapped to a chain with electrodes in another room (he was promoted wrong answers)
- teacher gave increasing shock each time the learner made a mistake (not real shocks)
- volt machine - "slight shock" (15V) to "severe shock" (450V)
- at 300V - learner pounded on wall with no response to next question
- 315V - another pound with no more responses from learner
- at 300V - learner pounded on wall with no response to next question
- 40 males P - believed it was a memory study
- Findings
- no participants stopped below 300V
- only 5 /40 stopped after 300V
- 65% went all the way up
- Ps showed extreme tension
- 3 had seizures
- before study it was estimated that no more than 3% would get to 450V
- all Ps were debriefed - told it was behaviour normal
- no participants stopped below 300V
- Evaluation
- Low internal validity
- Behaved that way coz Ps didnt believe in set up
- tapes show many Ps expressed their doubts
- HOWEVER,similar study with puppy and real shocks
- 54% males and 100% females gave what they thought a fatal shock
- 70% of Milgram's Ps thought shocks were real
- Behaved that way coz Ps didnt believe in set up
- Good external validity
- Lab reflected authority in real life
- Hofling et al - nurses obedience to unjustifiable demands of doctors were high - 21/22 nurses obeyed
- can be generalised to other situations
- Lab reflected authority in real life
- supporting replicated studies
- ethical issues
- Ps thought allocation was random but it was fixed
- Low internal validity
- procedure
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