Veronica Is a 2-Year-Old Who Likes to Explore Her Environment

Multiple Choice

Veronica is a 2-year-old who likes to explore her environment.However,this gets her into a lot of trouble.Veronica has learned to stop whatever she is doing if she hears her mom or dad say,"No!" Yesterday,Veronica was with a babysitter.When the babysitter said,"No!" to Veronica,she also stopped what she was doing.Veronica's behaviour demonstrates:

A) operant discrimination.
B) operant generalization.
C) delayed consequences.
D) negative reinforcement.