Essay on Exercise 16 Questions to Be Graded

689 Words Jan 16th, 2013 3 Pages
Exercise 16 Questions to be graded
1. The researchers analyzed the data they collected as though it were at what level of measurement?- The correct answer is Interval/ratio.
a. Nominal
b. Ordinal
c. Interval/ratio
d. Experimental

2. What was the mean posttest empowerment score for the control group? - 97.12

3. Compare the mean baseline and posttest depression scores of the experimental group. Was this an expected Finding? Provide a rationale for your answer. The Experimental group’s mean depression baseline score(mean-14.00) was 0.64 points higher than its posttest mean score ( mean-13.36) because on the average the experimental group subjects scored higher on the baseline than after the end of the empowerment program. This was
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Provide a rationale for your answer. The self-care self-efficacy variable demonstrates the highest dispersion with the score of 14.88 on the baseline and 13.55 on the posttest SD score.

7. The mean (X—) is a measure of ____________ ______________ of a distribution while the SD is a measure of _______________________ of its scores. Both X

and SD are _______________________ statistics. The mean is the measure of Central tendency of a distribution while SD is a measure of dispersion of its scores. Both X and SD is descriptive statistics.

8. What was the mean severity for renal disease for the research subjects? What was the dispersion or variability of the renal disease severity scores? Did the severity scores vary significantly between the control and the experimental groups? Is this important? Provide a rationale for your answer. The mean severity for renal disease for the research subjects was 6.74 and the dispersion or variability of the renal disease severity score was 2.97. There was no differences in clinical and demographic characteristics of the patients between the groups, the data indicates homogeneity of subjects across the groups. This is important because the empowerment training needs to be the only difference between the two groups for a valid result.

9. Which variable was least affected by the empowerment program? Provide a rationale for your answer. The experimental subjects’ mean depression score showed 0.64

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