When Is Parental Discipline Considered to Be Effective

When is parental discipline considered to be effective?

A) when the child stops engaging in an undesirable misbehaviour
B) when the child engages in a preferred behaviour.
C) when the child stops engaging in an undesirable misbehaviour and engages in a preferred behaviour
D) when the child neither stops engaging in an undesirable misbehaviour nor engages in a preferred behaviour