Andrea grew up enjoying her Italian grandmother’s home-cooked meals. Chicken and pasta with meatballs were her favorite foods. But after Andrea graduated from college, found a job, and got married, she became a vegetarian and no longer ate chicken or meatballs. Briefly explain which of the following statements provides the most likely explanation of Andrea’s decision to become a vegetarian: • When Andrea was young, she was unrealistic about her future behavior. Therefore, she did not act rationally.

• Andrea was not working when she was young. After she graduated from college and became employed, her income rose. We can conclude that for Andrea, chicken, meatballs, and other meat products are inferior goods.

• Social influences explain Andrea’s decision to become a vegetarian. More people, including celebrities from the entertainment f ield, have become vegetarians. Andrea became a vegetarian because she now feels a kinship with these celebrities, and being a vegetarian makes her appear to be fashionable.