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14

Psychology

14.4 New research suggests that watching television, especially medical shows such as Grey's Anatomy and House, can result in increased concern about personal health (Ye, 2010). Surveys administered to college students measure television viewing habits and health concerns such as fear of developing the diseases and disorders seen on television. For the following data, students are classified into three categories based on their television viewing patterns and health concerns. Do the data indicate any significant differences? Test with a = .05. Little or None 5 3 6 2 5 Moderate 6 8 4 5 9 Substantial 6 8 7 7 9 fr ent A. scales of measurement 1. nominal: names, categories, gender, subject variables 2. ordinal: ranking, one more or less than another, but distance between ranks are not necessarily equal; (i.e. "On a scale of 1-10, how much do you like it?" or "1" student, 2nd student, 3rd student, etc.") interval / ratio: ranking with equal distance between intervals/points as well as covers every point and fraction in between axis points (positive and negative); real number scale; “1.22, 2.35, 3.54 feet, etc." ????? Selecting the Appropriate Test Measures Nominal Ordinal Interval/ Ratio Z-test 1 IV - single sample 1 IV - single sample 1 IV - 2 independent groups or samples Chi-square Chi-square Chi-square t-test Mann-Whitney U/ Wilcoxon's T 1 IV - 2 repeated measures (i.e. Chi-square 1 sample but two different treatments) Mann-Whitney U1 Wilcoxon's T t-test/ One-way Analysis of Variance (F) t-test/ One-way Analysis of Variance ( One-way Analysis of Variance ( Two-way Analysis of Variance (F) 1 IV - 3 or more groups Chi-square Kruskal-Wallace H/ Friedman T 2 or more IV's Chi-square None For 14.4, be sure and diagram your research study according to the Diagramming Your Research class handout and the class videos. Then work through the One Way ANOVA Formula Sheet. In this problem, you have the full research data. Show all your work including your table to do your calculations for calculating means and standards deviations for each group, along with the statistical analysis. 14.4 New research suggests that watching television, especially medical shows such as Grey's Anatomy and House, can result in increased concern about personal health (Ye, 2010). Surveys administered to college students measure television viewing habits and health concerns such as fear of developing the diseases and disorders seen on television. For the following data, students are classified into three categories based on their television viewing patterns and health concerns. Do the data indicate any significant differences? Test with a = .05. Little or None 5 3 6 2 5 Moderate 6 8 Substantial 6 8 7 7 9 5 9