Consequently, it is necessary to consider other criteria besides statistical deviation (Farrell, 2010).
Deviation from social norms also determines abnormal behavior. Every society has a particular standard for acceptable behavior. These standards vary from one society to another and can evolve over time. Such behavior that varies from the normal is considered abnormal.
Maladaptive behavior is evident when an individual’s behavior directly or indirectly affects his or her well-being or the society. A good example is an alcoholic who cannot retain a job because of heavy drinking. This behavior affects him as he or she ends up jobless and becomes a burden to the society.
Personal distress considers an individual’s emotions and feelings. Most distressed people suffer from insomnia, anxiety and depression. These feelings normally trigger certain behavioral changes. Medical or biological injury also determines abnormality. Some disease and biological conditions are equated with abnormality. For example, brain tumors, epilepsy, stoke and other genetic disorders. These conditions exhibit symptoms that cause mental illness.
In theoretical approach, normal behavior is established. Consequently, failure to develop in this way is classifiable as abnormal. For example, going to the lavatory is a normal human act. However, doing it in public is illegal and indecent.
People with mental health conditions are often discriminated and stigmatized due to public fear and misconceptions. Some individuals miss jobs and health insurance due to their history of mental illness. People with mental illnesses are viewed as aggressive, unpredictable, violent and dangerous. The media has also influenced the public negatively by featuring stereotypes about people with mental health conditions. These unfounded irrational misconceptions have greatly impeded efforts of rehabilitation as