'Statistical infrequency' Defintion

Question 1

What are the 4 definitions of defining abnormalities?

Answer 1

1) Statistical infrequency
2) Deviation from social norms
3) Failure to function adequately
4) Deviation from ideal mental health

Question 2

Definition of statistical infrequency.

Answer 2

Deviating from the statistical norm of average.
Individual human characteristics can be measured and plotted on a normal distribution.
Those behaviours at either end o the distribution can be considered abnormal.

Question 3

What percentage of people fall into the mean (standard deviation)?

Answer 3

68%

Question 4

What percentage of people fall into 2 standard deviations?

Answer 4

95%

Question 5

What percentage of people fall into 3 standard deviations?

Answer 5

99.6%

Question 6

What is the first limitation of the ‘statistical infrequency’ definition?

Answer 6

Some abnormal behaviour is desirable.

Example: High IQ

This leaves us unable to identify behaviours that require psychological treatment to help people cope with everyday life.

Question 7

What is the second limitation of the ‘statistical infrequency’ definition?

Answer 7

The ‘cut-off’ point is often subjective.

Sometimes symptoms of disorders

Example: Depression

are difficult to measure and assign a ‘statistical’ cut-off point to show were help is needed.

Example: sleeplessness or low mood.

Question 8

What is the tail for the limitations of the ‘statistical infrequency’ definition?

Answer 8

Therefore the definition is ineffective at defying all abnormalities.