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Descriptive Statistics The descriptive statistics reported in the article include the mean, mean difference, range, and standard deviation. The study aimed to determine whether the participation of intensive care unit nurses in the Critical Reading of Research Publications Plus (CRRP) course would affect their research self-efficacy.
Differences in the mean pretest and posttest scores were computed to find out the extent in the change of confidence level brought about by the CRRP course. A higher mean difference value would indicate a higher degree of change in confidence level brought about by the CRRP course. Range and standard deviation measured the variability of the computed values in the study (Agresti & Finlay, 2009). A nurse leader may use descriptive statistics in cases when the “average” result is helpful in determining a course of action. In such cases, descriptive statistics are persuasive enough because it is able to give an overall picture of the data set in discussion. However, descriptive statistics, as the name implies simply provides a description of the data set and does not allow the nurse leader, to make inferences regarding the data (Malone, 2001). Based on my personal experience, we use descriptive statistics (particularly mean values) to find the prevalent cases in the nursing unit. Our department also routinely conducts a nurses’ evaluation assessment and our mean performance scores are usually given to us. ...
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