Bandura, Ross and Ross (1961)

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  • Bandura, Ross & Ross(1961)
    • Aim
      • To see whether young children will imitate behaviour they have seen
    • Hypothesis
      • Children will imitate the aggressive behaviour of models
      • Non-aggressive models will have an inhibiting effects
      • Same sex models will have more influence
    • Method
      • Laboratory experiment with observation
      • 72 children aged 3-5 (mean 41/2) from Stanford University Nursery
      • IV's
        • Aggressive mode, non-aggressive model, or no model
        • Gender of model
        • Gender of the ppts
      • DV's
        • Imitative responses
          • Verbal imitative phrases
          • Physical ( any acts imitated - i.e using mallet on Bobo doll)
        • Partially imitative responses
          • Mallet aggression on other toys
          • Sitting/bouncing on Bobo doll
        • Non-imitative responses
          • slapping Bobo doll
          • aggressive gun play
    • Results
      • watched child for 20 mins through one way mirror, recorded observations every 5 mins
      • Children who observed the aggressive models made far more aggressive responses
      • Boys showed more physical aggression and girls more verbal aggression
      • Both sexes were more likely to imitate their same-sex models
    • Conclusion
      • supports the social learning theory
      • not all behaviour is shaped by reward and punishment
      • Observing aggressive behaviour may weaken social inhibitions
    • Evaluation
      • Ethics
        • Children cant provide consent
        • Cant debrief a child
        • Was it right to subject the children to aggressive behaviour
      • Sample
        • Equal number of boys/girls
        • Only from one area (nursery) - ethnocentric
        • Only young children
      • Strengths
        • High controll
        • Observed real behaviour
      • Weaknesses
        • Low ecological validity

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