Scenаriо 3. A reseаrcher wаnts tо understand hоw weight gain during the first year of college is associated with students’ depression and self-esteem. They hang flyers in dorms, and students who indicate interest attend a single lab visit at the start of their second year of college. During this visit, participants report how much weight they gained during their first year and complete the Center for Epidemiological Studies-Depression questionnaire and the Rosenberg Self-Esteem Scale at the same time. Please identify each of the following: