To Get His Mother's Attention, 6-Year-Old Jacob Starts Acting Like

Multiple Choice

To get his mother's attention, 6-year-old Jacob starts acting like a baby. Whenever he does so, his mother responds angrily, saying, "Stop that! Act your age." However, a little while later, Jacob repeats his babyish behavior. In this example, his mother's response serves as _____.

A) positive punishment
B) negative punishment
C) positive reinforcement
D) negative reinforcement