When Erin Was a Little Girl, She Used to Throw

Multiple Choice

When Erin was a little girl, she used to throw temper tantrums. At first, her parents showered lots of attention on her to get her to quiet down. Soon, though, her parents realized that her tantrums were becoming more frequent. As a result, they decided to completely ignore Erin's tantrums. Erin's tantrums first increased in both frequency and intensity. Gradually, though, they stopped altogether. Erin's parents had effectively employed what operant procedure in eliminating her tantrums?

A) positive reinforcement
B) punishment
C) response cost
D) extinction
E) negative reinforcement