Answer:
the correct answer is A. positive reinforcement
Step-by-step explanation:
Positive reinforcement means giving something to the subject when they perform the desired action so they associate the action with the reward and do it more often. The reward is a reinforcing stimulus.
Positive reinforcement as a form of positive discipline allows us to tap into our children's individual strengths, draw attention to their personality traits and interests and it also helps children feel good about their choices, which motivates them to increase the behaviors that bring rewards just as Matt completed his assignments on time. His teacher said that she would allow extra play time to children who submit their assignments on or before the due date which made Matt completed his assignments on time.