Find the story referenced as News Story 15 in the Appendix, and consult the original source article on the website, if necessary. One of the results reported was that kids with higher levels of stress in their lives were more likely to eat high-fat foods and snacks.
a. Is a cause-and-effect relationship justified in this situation? Explain.
b. Explain the extent to which you think the results can be extended to a population beyond only those who participated in the study.