Milgrams baseline study

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  • Created by: 10emrose
  • Created on: 05-10-15 12:30
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  • Milgrams Base-line Study
    • 40 male American participants aged from 20-50
      • Newspaper adverts and flyers in the post looking for volunters
        • Their jobs ranged from unskilled to professional
          • Ppt were paid on arrival- $4.50
            • The ppt were told that it was a study on memory
              • There was a 'rigged draw' to determine their role (always the teacher)
                • A confederate played by an actor was dressed in a lab coat
                  • The learner was also a confedorate
                    • Ppt were told they could leave the study at any time.
    • the learner was strapped in a chair and wired with electrodes
      • the teacher was required to give an increasingly severe shock each time the learner got a question wrong
        • The shocks were not real
          • The 'shock' level started at 15 and rose through 30 levels to 450 volts
    • When the teacher turned to the  experimenter for guidance when there was absence of response:
      • 'An absence of response should be treated as a wrong answer'
    • If the teacher felt unsure about continuing, the experimenter used a sequence of 4 standard 'prods', which were repeated if necessary
      • 1) Please continue or please go on
      • 2) The experiment requires you continue
      • 3)  Its absolutely essential that you go on.
      • 4) You have no other choice but to carry on
    • Findings
      • No ppt stopped below 300 volts. Only 12.5% (5ppts) stopped at 300 volts
      • 65% of ppt continued to the highest level of 450 volts
      • Qualitive observations
        • Ppts showed signs od extreme tension
        • Many ppts were seen to 'sweat tremble stutter, bite their lips, groan and grip their fingernails in to their palm
        • 3 ppts  had full blown uncontrollable seizures
      • Prior to the study, Milgram asked 14 psychology students to predict the behaviour. They estimated that no more than 3% would continue to the full 450 volts
      • All ppt were debriefed and told that their behaviour was completely normal.
      • They were also sent a questionnaire after the study was completed, 84% reported that they felt glad that the took part in the study
    • Ethical Issues
      • Deception
      • Phsical and psychological harm
      • Informed conset

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