The nurse is using an experimental design to investigate this research question: What is the effect of antibacterial sutures versus standard sutures on the incidence of wound infection in a randomized sample of children 5 to 10 years of age? Which children should be excluded from participating in this study? (Select all that apply.).
7-year-olds with attention deficit hyperactivity disorder (ADHD).
5 to 10 year-olds who are type 1 diabetics.
10-year-olds with dyslexia.
First graders at a public school who are recent immigrants.
5 to 10-year-olds with leukemia.
Correct Answer : B,E
Choice A rationale:
7-year-olds with attention deficit hyperactivity disorder (ADHD) should not necessarily be excluded from participating in the study solely based on their ADHD diagnosis. Exclusion criteria should be related to factors that could significantly confound the study's results or pose additional risks to the participants.
Choice B rationale:
5 to 10-year-olds who are type 1 diabetics should not be automatically excluded from the study, as their diabetic status is not directly related to the study's research question about the effect of antibacterial sutures on wound infection.
Choice C rationale:
10-year-olds with dyslexia should not be excluded from the study unless dyslexia is directly related to the outcomes being measured (e.g., cognitive function) or if it poses a risk to the participant's ability to understand and comply with study requirements.
Choice D rationale:
First graders at a public school who are recent immigrants should not be automatically excluded from the study based solely on their immigrant status or grade level. Exclusion criteria should be based on factors relevant to the study's research question and potential risks.
Choice E rationale:
5 to 10-year-olds with leukemia should be excluded from the study, as they have a medical condition (leukemia) that directly affects the outcome being studied (wound infection). Their compromised immune systems could significantly confound the results.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale:
An operational definition of a variable. Rationale: The statement provides an operational definition of the variable "cultural self-efficacy" by explaining how it is assessed, which is through the "Cultural Self-Efficacy Scale." An operational definition specifies how a variable will be measured or assessed in a research study.
Choice B rationale:
The introduction to a quantitative design is not accurate. This statement does not introduce a specific quantitative research design; it defines a variable and its measurement method.
Choice C rationale:
A conceptual definition of a variable is not accurate. The statement goes beyond providing a conceptual definition by specifying the measurement tool used to assess the variable.
Choice D rationale:
The theoretical framework is not discussed in the statement. It focuses on the operational definition of a variable rather than presenting a theoretical framework.
Correct Answer is D
Explanation
Choice D rationale:
The data distribution was skewed instead of conformed to a normal curve. Parametric statistics, such as t-tests and ANOVA, assume that the data are normally distributed. When the data distribution is skewed, it violates the assumption of normality, which can affect the validity of parametric tests. Researchers should explain this limitation when reporting the study's findings.
Choice A rationale:
Collecting ratio-level data is not a limitation; in fact, it provides more information and precision than ordinal- or interval-level data.
Choice B rationale:
Finding no statistical significance in the analysis of data is not a limitation in itself but rather a result of the analysis. It may indicate that the study did not find a significant effect, but this is not a limitation of using parametric statistics.
Choice C rationale:
Having a sample considered representative of the population of interest is not a limitation but a strength of the study, as it enhances external validity.
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