1) A t test shows that the

1) A t test shows that the group grades are different with a p of .07, meaning that only 7% of the subjects in each of the groups were similar. This indicates that there is a statistical difference between the 2 groups if the researcher set the level of significance at: 1) 0.01 2) 0.05 3) 0.03 4) 0.10 2) Researchers find a difference between groups in length of stay (p = 0.04), mortality (p = 0.001), and need for vasoactive drugs (p = 0.01). Which of these findings indicate the most difference between the groups? 1) p = 0.04 2) p = 0.001 3) p = 0.01 3) Students in section 1 rated their satisfaction with the text used as 3.50(1.2) in a scale of 1 (not at all satisfied) to 5 (very satisfied). The students in section 2 rated their satisfaction with the text as 3.75(0.9). Which statistical test would be used to compare these two means? 1) t test 2) Mann Whitney U 3) Chi square 4) Pearson’s r 4) The graduates from ResU who reported that study groups improve their grades made significantly higher grades than the students who were not in study groups. What type of research design was used to measure this? 1) descriptive 2) correlational 3) quasi-experimental 5) Standard deviations can be calculated with which of the following variables? 1) marital status 2) type of diabetes diagnosed 3) whether or not a patient has complications after surgery 4) temperatures (Fahrenheit) 6) Which of the following variables could be analyzed used a frequency distribution? 1) gender of subjects 2) ages of subjects 3) perceived pain 4) all of the above 7) Which of the following variables could be analyzed using Pearson’s r? 1) gender of subjects and their weight 2) number of children and mean income 3) season of the year and type of allergy 4) diagnosis and perceived pain 8) A researcher studied the changes in pain levels caused by music therapy. What statistical test did the researcher use? 1) t test 2) Mann Whitney U 3) Chi square 4) Pearson’s r 9) When a level of significance is set at 0.05 (p=0.05), this means that: 1) any p value obtained must be below 0.05 to be significant 2) any level of sameness lower than 5% will cause the researcher to reject the research hypothesis 3) the researcher is looking for more than 5% sameness 4) a p value of 0.06 will be too small to be significant SCIENCE HEALTH SCIENCE NURSING

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