Final answer:
Differential association theory states that children learn delinquent behavior through being exposed to others and by mimicking or modeling others' actions.
Step-by-step explanation:
The theory that states children learn delinquent behavior through being exposed to others and by mimicking or modeling others' actions is called differential association theory. This theory, developed by Edwin Sutherland, suggests that individuals learn deviant behavior from those close to them who provide models of and opportunities for deviance. Through social interactions and group learning, individuals internalize these deviant behaviors and may engage in them themselves.