Critiquing Qualitative and Quantitative Research

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Unit 6: Critiquing Qualitative and Quantitative Research
Kaplan University
July 16, 2013

Unit 6 Critiquing Qualitative and Quantitative Research
The research conducted by Foster-Fitzpatrick, Ortiz, Sibilano, Marcantonio and Braun (1999) is a quantitative study of the significance of crossing the legs while blood pressure is being measured. The purpose of the research was to determine whether leg-crossing impacted the results of blood pressure measurements. The research conducted by Palese, Skrap, Fachin, Visioli and Zannini (2008) is a qualitative study of the subjective data collected from patients who experienced while-awake craniotomies.
Identification of Design
Quantitative Research Article Design
The design chosen for this
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167). This study meets the criteria for purposeful sampling.
Critique of Sampling Methodology
Quantitative Critique of Sampling Methodology The convenience sampling that was used in recruiting all male patients who were on blood pressure medications is a glaring bias in this study. There was no information provided addressing why the patients were presenting to the clinic. There are many interventions that can raise blood pressure. For example, the study conducted by Marshall, Anantharachagan, Choudhary, Chue and Kaurhis, (2002) investigated the effect of situational anxiety on blood pressure experienced in anticipation of a blood test. Marshall, et. al., (2002) found that anticipation of a blood test can raise blood pressure. Foster-Fitzpatrick, et. al., 1999 did not address the purpose of the patient’s visit to the clinic.
The researchers addressed known influential factors verbally, but not all factors were controlled during the experiment. For example, time of day, the white coat effect along with respirations and heart rate were not addressed in the results. Qualitative Critique of Sampling Methodology
Based upon information provided this study was appropriate conducted as a purposeful sampling but, this study
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