Critique of Research Studies Essay

1463 Words May 29th, 2013 6 Pages
Critique of Research Studies – Part 1

Grand Canyon University

Health Care Research Analysis and Utilization


February 1st, 2013

Critique of Research Studies – Part 1

Title – Backrest Angle and Cardiac Output Measurement in Critically Ill

Patients (Quantitative)

An effective title of a quantitative research article should include the dependent variables, the independent variables, and the population studied. Ideally, this should be accomplished in 15 words or less while attracting the reader to the research article (Polit & Beck, 2008). The article “Backrest Angle and Cardiac Output Measurement in Critically Ill Patients” by Guiliano, Scott, Brown, & Olson (2003), does
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(2003) cardiac output is an extremely important measure as it relates to end organ perfusion, total oxygen delivery, and has a direct impact on mortality and morbidity in the critically ill patient. The reliability of this important measure is uncertain in positions other than supine or flat. The introduction of the research identifies and appropriately builds a problem that is clinically significant to nursing. The importance of cardiac output and how it alters treatment pathways is presented providing the rationale for the study. An experimental quantitative approach is appropriate as the researchers are studying physiological phenomena. The researchers are pulling together numeric information with formal measurement and analyzing the information with statistical procedures, following a quantitative approach (Polit & Beck, 2008). Although an amble amount of information is provided within the introduction, it becomes quite lengthy and a bit redundant to the reader.

Hypothesis or Research Questions

Guiliano et al. (2003) have a clearly defined heading labeled as hypothesis and research question. Although the heading is labeled as hypothesis, there is not a predicted relationship between the variables. A hypothesis should have been listed to predict the relationship between the variables and the absence of one is not justified (Polit & Beck, 2008). The research question clearly states the dependent variables but the independent variables are not clearly

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