Statistical infrequency

Question 1

What is statistical infrequency?

Answer 1

Abnormal behaviour that is described by what is rare, usually the top 2.5% and bottom 2.5% of the population plotted on a normal distribution

Question 2

What is the average IQ?

Answer 2

Between 85-115, with 100 being the mean

Question 3

What is a low IQ?

Answer 3

70 and 85

Question 4

Below what IQ score is 2.5% of the population, and is classed as abnormal?

Answer 4

70

Question 5

What does IDD stand for?

Answer 5

Intellectual disability disorder

Question 6

What are the three strengths for SI?

Answer 6

-Relies on statistics so is more objective
-Used in clinical diagnosis’ (e.g scoring lower than 70 on an IQ test leads towards a diagnosis of IDD)
-A diagnosis of depression is partly made through someone being at the bottom 2.5% of population.

Question 7

What are the three limitations to SI?

Answer 7

-some abnormal behaviour is desirable, e.g high intelligence and isn’t classed as abnormal. Contrasting, depression is common + isn’t abnormal here but would want to be treated.
-person making diagnosis needs access to normal distribution, for some behaviours, this isn’t collected.
-difficult knowing when to draw the line of ‘abnormality.’

Question 8

What is objective and what is subjective with abnormality regarding SI?

Answer 8

Definition of abnormal = objective
Choice of 2.5% = subjective