Psychopathoogy Flashcards
What is Stephen Gough’s behaviour often seen as?
Abnormal
Gough’s behaviour deviates from social norms by being naked in public.
What are the four key criteria for defining abnormality?
- Deviation from social norms
- Failure to function adequately
- Statistically infrequent behaviour
- Deviation from ideal mental health
According to the statistical infrequency definition, how are behaviours classified as abnormal?
Behaviours that are statistically rare
This is based on the distribution of characteristics within the general population.
What does a normal distribution curve illustrate?
Proportions of people sharing certain characteristics or behaviours
Most individuals cluster around the mean, with fewer individuals at extremes.
What percentage of a population is usually perceived as abnormal based on statistical infrequency?
About 5%
This typically includes individuals two standard deviations away from the mean.
What is the average IQ score set at?
100
This average is used to determine abnormality in intelligence.
Individuals scoring below what IQ are considered very unusual or ‘abnormal’?
70
Those individuals may receive a diagnosis of intellectual disability disorder.
True or False: The concept of normal distribution indicates that most people will have extreme scores.
False
Most scores cluster around the average, with fewer at the extremes.
Fill in the blank: According to the statistical approach, characteristics that can be reliably measured include _______.
Intelligence is often used to illustrate the statistical approach to abnormality.