Problems defining abnormal behaviour:
The problems with defining abnormality are that psychologists have to distinguish what is a normal reaction and what is abnormal behaviour; lots of people can react to a situation the same way and because of society norms and values this makes behaviour “normal” however it could still be classed as abnormal however there are large culture differences in a mixed society and what one person feels is abnormal another may seem completely normal dependent on background, religion or moral beliefs. The Diagnostic and Statistical Manual-5 (DSM) is used to identify if a patent has abnormal behaviours, The issue with the DSM is that it is largely criticised that the task teams creating the manual are generally white, middle-aged and middle class and they do not have enough diversity of cultures, this could have an impact when trying to distinguish abnormal behaviours because not all cultures/ societies have the same values in place
The second major classification system is called International Classification of Diseases & Health Related Problems (ICD), this was created in May 1990 by the World Health Organisation (WHO) and the 11th revision will go on to 2017 this is a universal classification system this consists of codes for different disorders, there symptoms and environmental factors. Psychiatrist currently use DSM this classifies different medical illnesses into categories dependent on their similarities, abnormal behaviour is classified by the symptoms, the closer the symptoms to one disorder to another decides which category they shall fall into, the DSM is a multi-axial classification system therefor the manual also states the more symptoms a patent has the higher chance of a correct diagnosis. The DSM when used needs information on medical background this is because there could be external triggers for example alcohol or a miss-guided diagnosis. The multi-axial
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