Question: The following are titles of some of the news stories in the Appendix. In each case, determine whether the study was a randomized experiment or an observational study, then discuss whether the title is justified based on the way the study was done.
a. News Story 3: "Rigorous veggie diet found to slash cholesterol."
b. News Story 8: "Education, kids strengthen marriage."
c. News Story 10: "Churchgoers live longer, study finds."
d. News Story 15: "Kids' stress, snacking linked."
e. News Story 20: "Eating Organic Foods Reduces Pesticide Concentrations in Children."