Evidence-Based Practice – Lion Essays
Question Description
Details:
Complete Exercise 18 in Statistics for Nursing Research: A Workbook for Evidence-Based Practice, and submit as directed by the instructor.
Name:____________________________________________ Class: ____________________
Date: _________________________________________________________________________________
□ EXERCISE 18 Questions to be Graded
1.Assuming that the distribution is normal for weight relative to the ideal and 99% of the male participants scored between (–53.68, 64.64), where did 95% of the values for weight relative to the ideal lie? Round your answer to two decimal places.
2.Which of the following values from Table 1 tells us about variability of the scores in a distribution?
a.60.22
b.11.94
c.22.57
d.53.66
3.Assuming that the distribution for General Health Perceptions is normal, 95% of the females’ scores around the mean were between what values? Round your answer to two decimal places.
4.Assuming that the distribution of scores for Pain is normal, 95% of the men’s scores around the mean were between what two values? Round your answer to two decimal places.
5.Were the body image scores significantly different for women versus men? Provide a rationale for your answer.
6.Assuming that the distribution of Mental Health scores for men is normal, where are 99% of the men’s mental health scores around the mean in this distribution? Round your answer to two decimal places.
7.Assuming that the distribution of scores for Physical Functioning in women is normal, where are 99% of the women’s scores around the mean in this distribution? Round your answer to two decimal places.
8.Assuming that the distribution of scores is normal, 99% of HIV-positive body image scores around the mean were between what two values? Round your answer to two decimal places.
9.Assuming that the distribution of scores for Role Functioning is normal, 99% of the men’s scores around the mean were between what values? Round your answer to two decimal places.
10.What are some of the limitations of this study that decrease the potential for generalizing the findings to the target population?
(Grove 137-138)
Grove, Susan K. Statistics for Health Care Research: A Practical Workbook. W.B. Saunders Company, 022007. VitalBook file.
The citation provided is a guideline. Please check each citation for accuracy before use.
Excise 33
Use MS Word to complete “Questions to be Graded: Exercise 33” in Statistics for Nursing Research: A Workbook for Evidence-Based Practice. Submit your work in SPSS by copying the output and pasting into the Word document. In addition to the SPSS output, please include explanations of the results where appropriate.
Name:____________________________________________ Class: ____________________
Date: _________________________________________________________________________________
□ EXERCISE 33 Questions to be Graded
1.What is the mean difference from baseline to week 24 for total cholesterol?
2.What is the mean difference from baseline to week 24 for bicarbonate?
3.Between what two numbers does the true mean for triglycerides exist 95% of the time, which is the 95% confidence interval (CI)?
4.Between what two numbers does the true mean for creatinine exist 95% of the time, which is the 95% confidence interval (CI)?
5.Did the HDL cholesterol value change significantly from baseline to week 24? Is this result clinically significant?
6.In a study, the sample size was N = 150, SD = 9, and the mean = 48. Calculate the SEM and the 95th confidence interval for this study.
7.In Table 2, which parameter or variable has the smallest confidence interval?
8.The Atkins Center provided funding and training for the research staff. Would this have an effect on the outcomes of this study? Provide a rationale for your answer.
9.In this study, 51 subjects were enrolled, but only 41 completed it. Identify some possible reasons for the sample mortality of 10 subjects.
10.This was an uncontrolled study. Identify ways to improve the control of the study and thus strengthen the study design.
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