SLT Evaluation

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  • Created by: HarveyMac
  • Created on: 27-03-15 12:36
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  • SLT Evaluation
    • (+) Bandura studies involved children, but Phillips used adults.
      • He found that daily homicide rates in the USA almost always increased in the week following a major boxing match.
        • Suggests that viewers imitated behaviour they watched and that SL is evident in adults as well as children.
          • A natural study and correlational finding, so cannot establish cause and effect, but high ecological validity.
    • (+) SLT can explain aggressive behaviour in the absence of direct reinforcement.
      • Bandura and Walters p's behaved more aggressively after observing an aggressive model be rewarded, but were not rewarded themselves.
        • The concept of vicarious learning was therefore a major breakthrough for behaviourism.
    • (+) SLT  can be used to explain cultural differences in aggression.
      • E.g. the !Kung San tribe of the Kalahari Desert engage in very little aggressive behaviour.
        • When 2 children argue or fight, parents neither reward or punish them - they separate and distract them.
          • There are no physical punishments and aggressive postures are avoided in their society.
            • Therefore SLT explains that the lack of reinforcement of aggressive behaviour and no aggressive models means the children of the tribe never learn to aggress.
              • Not culture bound, but it could be that inbreeding within the tribe means that this behaviour is caused by their genetic makeup.
    • (-) It has been alledged that Banduras major supporting studies of SLT lack validity.ed
      • It is possible that the children in the study knew what was expected of them (i.e. to behave aggressively) and so acted accordingly.
        • Noble reported one child saying, "Look mummy, there's the doll we have to hit," when entering the laboratory.
          • Therefore it lacks internal validity due to demand characteristics.
      • Studies included a doll rather than an actual person - it is said that children would act differently towards an actual person.
        • However, Bandura repeated the experiment with a woman beating up a clown rather than a doll.  When shown into the room with the clown the children proceeded to punch, kick and hit him with hammers.
          • Increased validity as children acted the same way.
          • Ethical issues due to the beating up of clowns.


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