Answer:
Reinforced Jimmy's appropriate response by Eve saying the word "good" and giving Jimmy food.
Explanation:
One common type of reinforcement is social reinforcement. However, attention is another great strategy for reinforcing appropriate behavior in children. Attention from adult can help children in differentiating between bad and good behaviors and to shape their behavior in childhood. For the case of Jimmy, his appropriate behavior was reinforced by Eve saying the word "good" and then subsequently giving food to Jimmy.