<P> While the concept of social control has been around since the formation of organized sociology, the meaning has been altered over time . Originally, the concept simply referred to society's ability to regulate itself . However, in the 1930s, the term took on its more modern meaning of an individual's conversion to conformity . Social control theory began to be studied as a separate field in the early 20th century . </P> <P> The concept of social control is related to another concept, which is the notion of social order . Social control is a thing which is identified as existing in the following areas of society: </P> <Ul> <Li> The education system </Li> <Li> Policing and the law </Li> <Li> Psychiatry </Li> <Li> Social work </Li> <Li> The welfare state </Li> <Li> The working environment </Li> </Ul> <Li> The education system </Li>

Which one of the following is an informal sanction