Nakita is an african-american mother with four children who has had difficulty finding housing in a safe community. lisa, her social worker, suspects that racial discrimination is involved and takes nakita to sites that she has previously screened for availability. in this case, lisa is acting as an:

Paula maintained her normal weight during her freshman year in college. during her sophomore year, she moved into an apartment with two friends who are overweight. the three regularly enjoy high-calorie meals together, and paula has gained more than twenty pounds. she wants to lose weight, but it seems as if, whenever she plans to prepare a healthful, low-calorie meal, her roommates come home with a box of pizza or take-out burgers and fries. what type of influence are her friends having on her behavior? social undermining moral support emotional encouragement informal persuasion social undermining