Deviation from

at least

above or below the mean.

It is shown on a normal distribution curve, where statistically deviant extremes are considered

The graph is called a

One issue is that it does not consider

e.g. high IQ

How do you define infrequency of behaviour? It is essentially arbitrary units. Another issue is the

of statistical data, for example women are more likely to seek help for anxiety. This creates a

where men feel they need to be more masculine.

Deviation from social norms are the

and

ways of behaving in society.

We consider something to be

if it deviates from these social norms, for example clothing, greetings, manners.

One negative of deviation from social norms as a definition is that deviation does not mean

... there are clearly individual differences.

Another flaw is that moral standards

over time, for example homosexuality acceptance.

We must consider 5 things to deem something dysfunctional: culture, situational context, age, gender and historical context.