Deviant behavior also commonly known as social deviation is behavior that is not in accordance with the value.This value of decency, both in the standpoint of humanity (religion) individually and its justification as part of social beings.
In the Large Dictionary of Indonesian Language deviant behavior is defined as a person's behavior, actions, or responses to the environment that are contrary to the norms and laws that exist in society.
Factors that cause social irregularities.
The internal factors are intelligence or level of intelligence, age, sex and position of someone in the family.For example: someone who is abnormal and has age.
External factors are household or family life, education in schools, association and mass media.
For example: a child who often sees his parents quarrel can run away on drugs or drugs.