Diagnosing abnormality according to social norms can be inappropriate for example people from afro caraban background living in the UK are seven times more likely to be diagnosed with schizophrenia
Evaluations of failure to function respects the individual and their own personal experience which is something that other definitions such as statistical infrequency and deviation from social norms cannot do
Individuals who are assessed as being abnormal according to statistical infrequency have been evaluated objectively, this is better than other definitions that depend on the subjective opinion of a clinician
A humanistic definition by Joda in 1958 rather than defining abnormality it defines features of ideal mental health and deviation from these indicates abnormality
Abnormality is a very difficult one to define as every culture, time period, and society has a unique set of standard norms, and any departure from these could easily be seen as abnormal
It's too strict to set of criteria to define mental health as it's challenging to achieve all of the requirements at any one time, most people would be defined as abnormal
Social norms and rules also change over time, and many abnormal behaviors such as women having a career are seen as completely normal, healthy, and acceptable today
This statistical description of abnormality doesn't take into account any desirability of behavior, as having a very high IQ is abnormal but not a negative quality
It is extremely difficult, if not impossible, for any single individual to meet all six of these conditions, and opinions vary wildly on what constitutes ideal mental health
For a condition to be classified as an official mental illness by the NHS, there should be at least one of the following present on a non-temporary basis