Question 4 Suppose that a researcher only wants to know if treating patients with a new u drug affects their symptoms. Would this be a one tailed or baretailed test and why? (:1 Dne'tailed because the researcher only looks at the u drug and doesn't take other factors into account D Two-tailed because the researcher is only looking for a difference caused by the flu drug Dne'tailed because the researcher is only interested to see if the flu drug makes people better (:1 Two-tailed because the researcher will have to study people who take the drug and people who don't take the drug Question 12 A researcher tests effects of a new studying technique for college students. The hypothesis that this new studying technique will not work better than the old studying technique is called the: a null hypothesis {3 comparison hypothesis D research hypothesis (:1 There is no special name for this kind of a hypothesis Question 5 2 pts A professor is interested in finding out if providing a different kind form of study guide before exams will help her students do better on the exams. Which of the following is true? O The research hypothesis would be non-directional O The null hypothesis would definitely be true O The research hypothesis would be one-tailed O The research hypothesis would be two-tailed