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Appraisal of Descriptive Design Study, Article Critique Example

Pages: 3

Words: 905

Article Critique

State the research question posed by the authors

What is the association of trait anger, stress, and patterns of anger expression with the blood pressure among the overweight male and female children between 9 and 11 years?

Are the methods valid/ trustworthy?

1. Was the research question clear? Was there need to study adequately substantiated? Explain. The research question was clear but not substantiated due to the sampling limitation of using one geographical location.
2. What was the design of the study? How were the data collected (one time (cross-sectional) or repeated overtime (longitudinal)? What were limitations of the data collection methods? The research study design is observation. It is a secondary analysis of data obtained from a study of the influences of selected psychological variables, on blood pressure in children who are between 9 to 11 years old. It suggests correlations and specifies the areas of study; hence the data collection is cross-sectional. This data collection cannot accommodate the psychological changes over time. Multiple hypotheses support a single correlation.
3. Describe the sample. How the sample was selected (eligibility criteria)? How is the sample representative of the population? The sampling is systematic. Only children who are between 9 and 11 years old were selected. The data also represents children whose BMI is equal or greater than 85th percentile of the gender-specific charts. This shows that the selection criterion is eligible.
4. Describe the variables of interest. If there was a comparison group, on what variables were the groups compared? How were the groups similar? How were the groups different? If it is a correlation study, on what variables are associations being examined? Were there any confounding variables? The variables of interest were trait anger, pattern of anger expression and the stress. The variables were compared to the blood pressure. The groups were similar if p-values were below the given level of significance (p<0.05). The groups were different if their p>0.05. The association between trait anger and blood pressure, Patterns of anger and blood pressure and between stress and blood pressure. Trait anger confounded with stress.
5. Was the sample size large enough to detect a statistical significant association or difference? Was a power analysis performed? Sample was obtained from the original study; it consisted of 8 schools with children who met the age of 9 to 11 years. These children knew how to write and read. The number of males and females were relatively small and did not provide sufficient power to address the research question.
6. Were there any potential sources of bias? (Differences between groups not accounted for in the analysis, drop-outs, discounting outcomes, funding agency, etc) There were potential biasness in sampling; children aged 9 to 11 who never knew how to read and write were left out of the study. Also, samples were drawn from one location. The level of anger, stress and patterns of anger expression differ with geographical location.
7. Describe the validity of the measures. Were measures appropriate for the population or the variable being studied? Explain Mean is a measure of central tendency, which is bias. Mean does not reflect the true findings as this does not take skewness into consideration and makes it inappropriate in this study.
8. Were the analysis plans (statistical methods) Described in detail? How were the data distributed (e.g. normal versus skewed)? Were the correlative and comparative tests appropriate for the type of data analyzed and the questions asked? Explain Data was analyzed by a statistical package, SPSS version 13.0 and described by measures like mean, standard deviation, range and the correlation. The data were distributed normally, and the correlative and comparative test was appropriate. The test of significance provided answers for the relationship in the variables of interest and blood pressure.

What are the results/findings?

1. What were the findings? Analysing the data by gender did not show any significant difference between males and females on any of the variables. There are relatively high levels of trait anger compared to levels of anger suppression, and anger- out, higher levels of stress and anger reflection/control. Health care provider in prescribing treatments or drugs for overweight and obese uses the blood pressure readings. Health providers need the access of trait anger, stress and patterns of anger among the children when looking for ways of preventing blood pressure.
2. Were there clinical significance? Statistical significance? The clinical significance in this study is that it alerts the health care providers to assess blood pressure; trait anger; stress; and patterns f anger expression in overweight school-aged children, and to consider treatment for them. The findings of the authors were in the context of the broader literature on this topic. This is because the findings were obtained from the analysis of the data, which addresses the research questions.
3. Did the authors put their findings in the context of the broader literature on this topic? Explain. Health care provider in prescribing treatments or drugs for overweight and obese uses the blood pressure readings. Health providers need the access of trait anger, stress and patterns of anger among the children when looking for ways of preventing blood pressure.

How can I apply the results /findings?

1. What relevance do the findings have to nursing practice? The association of trait anger, stress and patterns of anger with blood pressure in the children
2. Discuss how the findings can be applied to practice. It triggers intervention to reduce hypertension and other adulthood diseases.

 

 

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