how would you claddically condition an adventuresome 2 year old to be more fearful of running across a busy street near her house?

how would you claddically condition an adventuresome 2 year old to be more fearful of running across a busy street near her house? how would yoy classically condition a preschool child who is afraid of dogs to enjoy playing with a neighbors friendly dog be sure to identify the us,cs,ur and cr in both answers