As exam week approaches, Olive feels overwhelmed with all the studying they have to do. They are so busy, they are not able to see their friends in-person very often. Instead, Olive often recalls good times they've had with loved ones and re-lives them in their mind. Which theory BEST explains why this strategy helps Olive feel more confident about exam week?     Social Baseline Theory     Attention-restoration Theory     Differential Susceptibility     Process Model of Emotion Regulation