Minority influence

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  • Created by: HLOldham
  • Created on: 28-05-16 13:59
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  • Minority influence
    • Moscovici, Lage and Naffrechoux (1969).
      • Social influence is not limited to a one-directional influence of the majority on the minority, but also a minority can also influence the majority.
      • Similar to Asch experiment, but with minority of confederate.
      • Task and experimental conditions:
        • To name aloud the colour of slides.
        • 4 participants, 2 confederates.
          • Confederates were instructed to state that the slides were green...
            • On every of the 36 trials (consistent condition).
            • On only 24/36 trials (inconsistent condition).
            • Control condition: 6 participants, no confederates.
      • Results:
        • Consistent condition:
          • 32% of the participants gave at least 1 'green' response.
          • 8.42% of all responses given were 'green.'
        • Inconsistent condition:
          • No significant influence.
          • 1.25% 'green' responses.
        • Control condition:
          • 0.25% 'green' responses.
        • There was also a shift in the threshold for perception 'green' particularly for participants who hadn't conformed to the minority.
    • Some  factors that affect minority influence:
      • Consistency of the behavioural style is crucial for the minority to have influence:
        • The minority's responses must be highly consistent over time (diachronic consistency) and with each other (inter-individual consistency, synchronic consistency).
        • The majority must be aware of this consistency.
        • The majority must believe that the minority's consistency indicates confidence in the accuracy of their opinion.
    • Is it really necessary for the minority to be consistent?
      • The behavioural style must not be too rigid.
      • When the  minority adopts a flexible behavioural style by linking its responses to another property of the stimulus that has to be judged, it achieves more influence than what it does not.
        • Nemeth, Swedlund and Kanki (1974).
          • The behavioural style must not be too rigid.
    • Nemeth, Swedlund and Kanki (1974).
      • Task and experimental conditions:
        • Colour perception task, minority confederates responded in one of five ways:
          • 28 repetitious 'green' response.
          • 28 repetitious 'green-blue' response.
          • 'Green-blue' response to the 14 brightest slides, 'green' to the 14 dimmest slides.
          • 'Green' response to the 14 brightest slides, 'green-blue' to the 14 dimmest slides.
          • 14 'green-blue' and 14 'green' responses randomly paired with slides.

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