Barney is a somewhat distractible second-grade student who finds schoolwork a bit boring. After a couple of minutes of working silently, Barney often starts to misbehave until his teacher, Ms. Skinner, calls his name and scolds him. However, he enjoys this attention from her and continues to misbehave. With respect to Barney’s misbehavior, Ms. Skinner’s attention serves as:________________________.
A. Punishment
B. Reinforcement
C. Stimulus
D. Ratio