After finishing her social studies project, Delia is excused from her least favorite chore, folding the laundry. Delia’s parents are incorporating reinforcement with the goal of increasing Delia’s focus on her schoolwork.
Reinforcement is the correct word to fill the space.
Explanation:
Reinforcement is a behavioral technique developed in psychology to make a response stronger after being exposed to certain stimuli. In our case, their parents except here from her least favorite chore because she finished her social studies project. So they are looking to obtain a stronger positive response of that action by setting her free from her chore.
