Definitions of Abnormality: Statistical Infrequency (OCR A-Level Psychology): Flashcards
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Statistical infrequency definition of abnormality
Statistical infrequency definition of abnormality
Disorder is abnormal if >2 standard deviations from mean on normal distribution
Threshold for statistical abnormality
Threshold for statistical abnormality
Two standard deviations away from the mean
Graph used in statistical infrequency approach
Graph used in statistical infrequency approach
Normal distribution bell curve
Example of desirable infrequent behaviour
Example of desirable infrequent behaviour
Photographic memory
Disorder diagnosed using statistical infrequency
Disorder diagnosed using statistical infrequency
Intellectual disability disorder
Why statistical infrequency seen as valid
Why statistical infrequency seen as valid
Used in everyday situations
IQ score statistically abnormal but desirable
IQ score statistically abnormal but desirable
130 or higher
Limitation: frequent characteristics
Limitation: frequent characteristics
Some frequent characteristics are still regarded as abnormal
Limitation: how extremes can be viewed
Limitation: how extremes can be viewed
As either positive or negative
What mental disorder assessments include
What mental disorder assessments include
Measurement of severity compared to the norm
Main limitation using statistical infrequency alone
Main limitation using statistical infrequency alone
Behaviour doesn't necessarily mean treatment is needed