Definition 4

• the fourth definition of abnormality is statistical infrequency. if a large percentage of people display a specific behaviour it is described as statistically frequent
• normal distribution is displayed on a graph when its symmetrical, when there are a the mot answers in the middle and even amount of either side
• graph of normal distribution

  
• a behaviour or trait is only considered abnormal if 5% or less of people perform it
• one strength of the statistical infrequency definition is that it provides an easy and practical way of diagnosing people
• one strength of the statistical infrequency definition is that it relies less on the doctors subjective interpretation of the patient, this makes it less personal bias and more objective
• one weakness of the statistical infrequency definition is that some mental disorders arnt infrequent
• one weakness of the statistical infrequency definition is that it doesnt consider the desirability of behaviour