L3 - statistical infrequency

Question 1

what is statistical infrequency

Answer 1

when an individual possesses a less common characteristic than majority of population - behaviour which is statistically rare, e.g. having an IQ of more than 130

Question 2

what is negatively skewed

Answer 2

tail lies to left
mean < median < mode

Question 3

what is positively skewed

Answer 3

tail lies to the right
mean > median > mode

Question 4

strength of statistical infrequency

Answer 4

judgements are based on objective, scientific and unbiased data
can indicate whether someone needs psychological help and assistance

Question 5

2 weaknesses of statistical infrequency

Answer 5

• involves labelling people as abnormal, e.g. someone with low IQ may be labelled in a negative manner which could have negative effect on how they view themselves, affects self confidence and esteem - further problems
• subjective cut off point, deciding dividing line where normality and abnormality starts and ends, e.g., 70 IQ is abnormal but 71 is normal? questions cut off point