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Running Head: RESEARCH ARTICLE APPRAISAL, PART TWOResearch Article Appraisal, Part TwoChelsea ThompsonUniversity of Texas at ArlingtonNURS 5366November 23, 20191
RESEARCH ARTICLE APPRAISAL, PART TWOResearch Article Appraisal, Part TwoThe research article, Decreased stress levels in nurses: A benefit of quiet time, will furtherbe critically appraised in this paper. This study appeared in the American Journal of Critical Care in 2015. The sample, measurement methods, collection and management of data, data analysis, researchers’ interpretation of the findings, legal and ethical issues, and evaluation will all be examined. SampleThe researchers used convenience sampling to obtain their sample. They attended mandatory staff meetings on an intensive care unit and explained the study to all registered nurses that were present. There was no planned sample size for this study, the researchers just asked for volunteers to participate in the study. The volunteers were then further educated on the tools that would be used during the study, risk/benefits were discussed, and consent was obtained. The participants were only from day shift and had to be present on the floor from two pm to four pm, and they had to be an intensive care nurses (agency and float nurses were included as long as they had a background in intensive care). Nurses who had no background in intensive care, and nurses who were taking care of overflow patients were excluded from the sample. The exclusion of these nurses is fair because their baseline stress level may have been more elevated from being in an unfamiliar environment. Twenty-two nurses were observed over a five-week period. One hundred forty-two observations were collected, however, eighteen of them were excluded and only one hundred twenty-four observations were used in the data. The eighteen observations that were not included in the study were because of a cardiopulmonary resuscitation event, and participants not being present on the floor for the entire time between two pm and four pm. There was not biases with this sample selection due to the fact that 2
RESEARCH ARTICLE APPRAISAL, PART TWOparticipants volunteered. The sample may have been a good representative of the population on that intensive care unit (would need to know the total number of nurses present on the floor), but as far as nursing as a whole it was poor. This study only took place on one unit, in one hospital, and only on day shift, therefore, really limiting the sample size and its ability to represent all intensive care nurses.Measurement MethodsThe level of stress of nurses and noise levels were measured before and after the initiation of quiet time (decreased light levels) in this study. The 100-point visual analog scale ona perceived stress survey was used to measure the stress level of nurses, a digital sound level meter was used to measure noise, and an illumination meter was used to measure the intensity of lights. The illumination meter and sound meter were able to provide a ratio level of
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Intensive care medicine, Sound level meter, Research Article Appraisal