Psychology A Level AQA Question Papers &
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How does the statistical infrequency
definition class abnormality? -
✔✔ANSWER✔✔A behaviour that's rare in
the population
In a normal distribution what percentage
of scores fall within one standard
deviation of the mean? -
✔✔ANSWER✔✔68%
, In a normal distribution what percentage
of scores fall within two standard
deviations of the mean? -
✔✔ANSWER✔✔95%
In a normal distribution, approximately
what percentage of scores fall within three
standard deviations of the mean? -
✔✔ANSWER✔✔99%
What behaviours are 'common'? -
✔✔ANSWER✔✔Those that fall within 1
SD of the mean
Why is the objective cut off point of
statistical infrequency a strength of this
definition of abnormality? -
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