Suppose that you were to read the following news story: “Researchers compared a new drug to a placebo for treating high blood pressure, and it seemed to work. But the re-searchers were concerned because they found that significantly more people got headaches when taking the new drug than when taking the placebo. Headaches were the only problem out of the 20 possible side effects the researchers tested.” Do you think the researchers are justified in thinking the new drug would cause more headaches in the population than the placebo would? Explain.
Answer to relevant QuestionsNow that you understand the reasoning behind making inferences about populations based on samples (confidence intervals and hypothesis tests), explain why these methods require the use of random, or at least representative, ...In Original Source 1, the researchers addressed some limitations with the study. One of them was: First, there was a relatively small number of subjects who participated and this limited our statistical power. A number of ...New Scientist (Mestel, 12 November 1994) reported a study in which psychiatrist Donald Black used the drug fluvoxamine to treat compulsive shoppers: In Black’s study, patients take the drug for eight weeks, and the effect ...Refer to the summary of News Story 9 in the Appendix. The story appeared in the Washington Post on May 7, 2002. You may be able to find it through an internet search of the story’s headline, “Against depression, a sugar ...In Example 26.2, Janet’s decision to make Group 2 the control group after the first volunteer came to her office.
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