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Homework for Chapter 1 Veronica has developed a medication to treat chronic pain. To test the effectiveness of the dication, Veronica obtains a sample of 10 patients who suffer from chronic pain. Half of Veronica's rticipants are given a placebo pill for a week and the other half receive the newly developed edication. After a week, Veronica asks the patients to rate their pain levels on a Likert scale - where tients must choose between "no pain", "some pain" and "lots of pain". e following is the data Veronica obtained: lacebo Medication No pain No pain some pain Lots of pain ots of pain Some pain ots of pain No pain some pain No pain a) Is this study an experiment or an observational study?" Experiment. b) What is Veronica's population? Patients with Chronic Pain- c) What is Veronica's sample?- 10 patients The treatment received. d) What is the independent variable? If there aren't any, write N/A. get pill or Newly & e) What is(are) the dependent variable(s)? If there aren't any, write N/A. The level of pain- If there is an independent variable, on what scale is it measured? If there aren't any, write N/A. g) If there is(are) dependent variable(s), on what scale is(are) it(they) measured? If there aren't any, write N/A. Ratio Nopain . some pain . lots of pain. Daniel believes that kids who spend less time indoors will have better interpersonal skills. To test th niel studies a sample of 20 kids in a third-grade class at his former primary school. He asks each kid w much time he or she spends indoors in a week (measured in hours) and also how many friends he she has. Daniel looks to see if there is a relationship between time spent indoors and number of ends kids have. e following is the data Daniel obtained: me spent indoors (hours) Number of friends 8 12 13 20 16 10 16