Abnormality - Statistical Infrequency (SI) Flashcards
What idea does ‘Statistical Infrequency’ focus on?
That ‘abnormal’ behaviours are statistically rare or uncommon.
This definition is particularly useful when a characteristic can be reliably ________.
Measured.
What can be used to analyse what is regarded as statistically uncommon?
A normal distribution.
What percentage of the population usually fall outside the ‘normal distribution’?
5%.
What are the people who fall outside the ‘normal distribution’ perceived as?
Abnormal.
What is an example of a disorder that can be explained using ‘statistical infrequency’?
Intellectual Disability Disorder (IDD).
How does ‘statistical infrequency’ explain IDD?
IQ scores in the general population, on average, are 100 however 2% of the population have an IQ score below 70 which makes it very rare and therefore ‘abnormal’.
What are the four evaluation points for ‘statistical infrequency’?
+ clear and easy to use.
- requires subjective judgement.
- defines positive characteristics as abnormal.
- ethnocentric (culturally biased).