Question

1. As a researcher you mistakenly reject Ho when you should have failed to reject it. You have committed a error. a.Type I Type II c. Type III 2. The Seven Countries Study (an epidemiologic study) found a correlation of r-84 between deaths from CHD and % of calories consumed from saturated fat. This means that: a. There is an indirect relationship between saturated fat consumption and death from CHD. b.Saturated fat causes CHD c. Further study between saturated fat intake and CHD death may be warranted. d.As saturated fat intake went up, CHD deaths went down. 3. You are testing to see if ginko biloba aids in the memory of older people. You have two groups: one who receives the ginko biloba and one that receives a sugar pill. The subjects on the sugar pill immediately start to tell you how great they feel and how much more they remember. The effects of the sugar pill are a classic example of the 4. Data collected for another purpose are sometimes used to investigate a new relationship. Examining "old" data for new ideas is called a data analysis. 5. List two subject headings that you would expect to see in a primary research article. 6. Isolating rat hepatocytes and investigating how the LDL receptors on the hepatocytes respond to saturated fatty acids would be_ in vivo research b. in vitro research a. Questions 7-9: You propose a randomized clinical, crossover trial to investigate the effect of a new blood pressure medicine on hypertension. 7. What is the dependent variable? 8. Why is this the dependent variable? 9. How will you conduct a "crossover" trial?

Answer 1