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Understanding Nursing Research - Chapter 11 Exam Study Guide. Analysis of covariance - answerstatistical procedure in which a regression analysis is carried out before performing ANOVA; designed to reduce the variance within groups by partialing out the v$11.49
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Understanding Nursing Research - Chapter 11 Exam Study Guide. Analysis of covariance - answerstatistical procedure in which a regression analysis is carried out before performing ANOVA; designed to reduce the variance within groups by partialing out the v
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Course
Nursing research
Institution
Nursing Research
Understanding Nursing Research Exam
Questions With Correct Answers
1. A researcher conducts a study which outlines the daily habits of women who are overweight.
This study represents what type of research?
a. Correlational
b. Descriptive
c. Experimental
d. Quasi-experimental - answerANS: B
...
Understanding Nursing Research Exam
Questions With Correct Answers
1. A researcher conducts a study which outlines the daily habits of women who are overweight.
This study represents what type of research?
a. Correlational
b. Descriptive
c. Experimental
d. Quasi-experimental - answer✔ANS: B
Descriptive research is the exploration and description of phenomena in real-life situations.
Correlational research involves the systematic investigation of relationships between or
among variables. Experimental research is an objective, systematic, highly controlled
investigation conducted for the purpose of predicting and controlling phenomena. The
purpose of quasi-experimental research is to examine causal relationships or determine the
effect of one variable on another. Thus these studies involve implementing a treatment or
intervention and examining the effects of this intervention using selected methods of
measurement.
2. The researcher wants to learn whether there is a relationship between parental education and
emergency room use among children who have asthma. Which type of research study will this
researcher use?
d. Screen time and obesity vary together. - answer✔Ans D
A positive correlation between variables indicates that the variables vary together. Variables
that vary in opposite directions will have a negative correlation. Descriptive research is the
exploration of phenomena in real-life situations. Correlational studies do not indicate cause,
so an increase in screen time or an increase in obesity does not cause or lead to an increase in
the other.
4. The overall plan developed by the researcher to obtain answers to the questions being studied
is called
a. analysis of data.
b. operationally defining the variables.
c. problem statement.
d. research design. - answer✔ANS: D
Research design is a blueprint for the conduct of a study that maximizes control over factors
that could interfere with the study's desired outcome. Data analysis reduces, organizes, and
gives meaning to the data. Researchers develop an operational definition so that the variables
can be measured or an intervention implemented in a study. The problem statement in a study
d. Quasi-experimental - answer✔ANS: D
Quasi-experimental studies have less control than experimental studies, but they do exhibit
some degree of control. Descriptive research is the exploration of phenomena in real-life
situations. Correlational research investigates the relationship between or among variables but
does not attribute cause. Experimental design is considered the most powerful quantitative
design because of the rigorous control of variables.
The nurse participates in data collection for a clinical drug trial in which subjects are
randomly assigned to either a treatment or a placebo group to measure the effects of the drug
on a specific outcome. This is which type of study?
a. Correlational
b. Descriptive
c. Experimental
d. Quasi-experimental
ANS: C - answer✔Experimental design involves control of variables and random assignment of
subjects so that
effects of variables on specific outcomes can be measured. Correlational research investigates
the relationship between or among variables but does not attribute cause. Descriptive research
is the exploration of phenomena in real-life situations. Quasi-experimental studies have less
control than experimental studies, but they do exhibit some degree of control.
A researcher studies the effect of asthma action plans on frequency of emergency department
visits for asthma-related symptoms. The study would be described as
a. applied research.
d. phenomenological research. - answer✔ANS: A
Applied research involves research that is directly applicable to clinical practice. Basic
research is scientific investigation that involves the pursuit of "knowledge for knowledge's
sake." Descriptive research is the exploration of phenomena in real-life situations.
Phenomenological research would not investigate this type of research question.
Phenomenological research asks, "what is the lived experience of the person in this
situation?"
8. Basic research seeks to
a. directly influence clinical practice.
b. generate knowledge for knowledge's sake.
c. predict or control outcomes of variables.
d. validate or test theoretical frameworks. - answer✔ANS: B
Basic research is more likely to be found in a laboratory setting and generates knowledge for
knowledge's sake. It may be used as the foundation for other research. Applied research is
used to solve problems, make decisions, or predict or control outcomes in real-life practice
situations. Experimental research is conducted to be able to predict or control outcomes.
Grounded theory research is used to validate theoretical frameworks
When developing a study, a researcher establishes rules for measurement of independent and
dependent variables to minimize the possibility of error. This is an example of
a. control.
b. manipulation.
c. precision.
d. rigor. - answer✔Ans A
Control involves the imposing of rules by the researcher to decrease the possibility of error
and thus increase the probability that the study's findings are an accurate reflection of reality.
Manipulation is when the researcher makes changes in the treatment received by the subjects.
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