An analysis of the quantitative research article "Sleep is Related to Physical Function and Emotional Well-Being after Cardiac Surgery" by Nancy S. Redeker, Jeanne S. Ruggiero and Christine Hedges.
Written in 2008; 1,340 words; 1 sources; APA; $ 45.95
Paper Summary:
This paper explains that the research question, reported in the "Nursing Research" article "Sleep is Related to Physical Function and Emotional Well-Being after Cardiac Surgery" by Redeker e.al., is "What is the relation of daytime napping to physical function and emotional well-being?" The author points out that this reported study has a multi-center, nonrandomized, prospective design. The paper also reports that the weaknesses of the study are that preoperative data on sleeping patterns were not available, dropout caused issues of internal validity and the sample was not representative. The author concludes that a randomized, case-control design would afford more validity.
Table of Contents:
Study
Problem
Study Purpose
Research Question
Hypotheses
Study Variables
Review of Related Literature
Study Design
Sample and Setting
Identification and Control of Extraneous Variables
Study Instruments/Tools
From the Paper:
"The hypotheses examined by the study were based on two theoretical models that regulate sleep patterns, namely: a) the chronobionic or circardian rhythm model of sleep regulation, and b) homeostatic model of sleep regulation. The circadian rhythm regulates the need for sleep according to the time of day while physiological homeostasis regulates the need for sleep in response to the body's tiredness due to physical exertion or extended wake periods."
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