What is "Abnormal"?

The definition of the word abnormal is simple enough: deviating from the norm. However, applying this to psychology poses a complex problem: what is normal? Whose norm? For what age? For what culture? Some would simply classify what is "good" as normal and what is "bad" as abnormal, but this is a vague and narrow definition and brings up many of the same questions for the definition of "good" as does the definition for "normal"...more