Many theories concerning the causes of juvenile delinquency focus either on the individual or on society as the major contributing influence. Theories 【C1】______ on the individual suggest that children engage in criminal behavior. 【C2】______ they were not sufficiently penalized for previous misdeeds or that they have learned criminal behavior. through 【C3】______ with others. Theories focusing on the role of society that children commit crimes in 【C4】______ to their failure to rise above their socioeconomic status 【C5】______ as a rejection of middle-class values. Most theories of juvenile delinquency have focused on children from disadvantaged families, ignoring the fact that children from 【C6】______ homes also commit crimes. The latter may commit crimes 【C7】______ lack of adequate parental control. All theories, however, are tentative and are 【C8】______ to criticism. Changes in the social structure may indirectly 【C9】______ juvenile crime rates. For example, changes in the economy that lead to fewer job opportunities for youth and 【C10】______ unemployment 【C11】______ general make gainful employment increasingly difficult to 【C12】______ . The resulting discontent may in turn lead more youths into criminal behavior. Families have also 【C13】______ changes these years. More families consist of one parent households or two working parents 【C14】______ , children are likely to have less supervision at home 【C15】______ was common in the traditional family 【C16】______ . This lack of parental supervision is thought to be an influence on juvenile crime rates. Other 【C17】______ causes of offensive acts include frustration or failure in school, the increased 【C18】______ of drugs and alcohol, and the growing 【C19】______ of child abuse and child neglect. All these conditions tend to increase the probability of a child committing a criminal act, 【C20】______ a direct causal relationship has not yet been established. 【C1】