Explain how we define abnormality and classify mental disorders. Describe the advantages and disadvantages of classification. Explain how culture affects what is considered abnormal, and describe two...

Explain how we define abnormality and classify mental disorders. Describe the advantages and disadvantages of classification.

Explain how culture affects what is considered abnormal, and describe two different culture-specific disorders.  Distinguish between incidence and prevalence, and identify the most common and prevalent mental disorders.