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  • Abnormality
    • Statistical definition
      • uses curve of normal distribution
        • assumes any normal characteristics occur in 95% of population
        • any abnormality occurs in 5% of the population
        • if someone's behaviour falls in the bottom or top 2.5% - considered abdnormal
          • for example - average IQ = 70-130 so if person's IQ is >70 they fall in the bottom 2.5% so could be considered abnormal
      • human behaviour can be seen as abnormal if it falls outside the range that is considered statistically typical
      • Strengths
        • objective as get quantitative data so is a reliable method
        • there is a definite cut off point so can get treatment when needed
          • for example - IQ falls below 69 so considered abnormal therefore gets treatment
      • Weaknesses
        • if you have an IQ of 71, you are classes as normal but may still need help
        • IQ test is not the best way of showing intellegence
          • leading to cultural differences as questions get lost in translation
        • some behaviours are classes as normal because many people have them when really they aren't normal. i.e. anxiety
        • doesn't distinguish between none desirable and desirable behaviour
          • e.g. IQ over 130 is desirable but seen as abnormal
    • Social Norms defintion
      • in every society there is a set of unwritten rules about the behaviour we expect and don't expect in others
        • sets social normals which decide what behaviour is seen as normal or moral
        • if someone behaves in a way that does not conform to our social norms we may feel anxious or threatened
      • Strengths
        • uses majority of population to see what's normal
      • Weaknesses
        • subjective as based on opinions of what society thinks as normal
        • can lead to abuse of a person's rights based of what society thinks as normal
        • culturally biased - what may be seen as unacceptable in one society may be seen as acceptable in another
          • difficult to make it universal
        • norms change overtime so what one generation thinks as abnormal may be seen as normal in the next


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