Review Test Submission: Module 2 Quiz 2192-NURS-5366-407-PRINC-OF-RESEARCH-IN-NURSING--2019-Spring
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Course
NURS 5366
Institution
NURS 5366
Question 1
In the following purpose statement, what kind of variable is number of
days absent from class?
The purpose of this study was to examine the effects of a generous
weekly allowance and twice-weekly text messages from parents on
number of days absent from class, in freshman college stu...
review test submission module 2 quiz 2192 nurs 5366 407 princ of research in nursing 2019 spring
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Review Test Submission: Module 2 Quiz
2192-NURS-5366-407-PRINC-OF-RESEARCH-IN-NURSING--2019-Spring
Question 1
In the following purpose statement, what kind of variable is number of
days absent from class?
The purpose of this study was to examine the effects of a generous
weekly allowance and twice-weekly text messages from parents on
number of days absent from class, in freshman college students.
Answer a.
s: Dependent
variable
b.
Extraneous
variable
c.
Independent
variable
Response
A dependent variable is the response behavior, or outcome
Feedback
:
that the researcher wants to predict or explain. In this
example, number of days absent from class is the dependent
variable. An independent variable is a stimulus or activity that
is manipulated or varied by the researcher to create an
effect on the dependent variable. The independent variable
is also called an intervention, treatment, or experimental
variable. Demographic variables are attributes of the subjects
that are measured during the study and used to describe the
sample. Extraneousvariables exist in all studies and can affect
the measurement of study variables and the relationships
among them.
Question 2
The report of a research study on a new medication to treat
hypertension included this statement: “There was no
significant difference in gender or age between the treatment
and control groups.” Based on the statement, the reader of the
report recognizes that gender and age were
Answer a.
s: confounding
variables
b.
demographic
variables
, Review Test Submission: Module 2 Quiz
2192-NURS-5366-407-PRINC-OF-RESEARCH-IN-NURSING--2019-Spring
c.
Environmental
variables
d.
moderator
variables
Response Age and Gender are demographic
Feedback:
variables
Question 3
A researcher wishes to conduct a correlational study to determine
whether there is a relationship between stress levels and relapse rates
among patients who have chronic conditions. In order to determine the
existence of a relationship between these two variables, the researcher
will attempt to:
Answer a.
s: manipulate the level of stress in study
subjects.
b.
provide lengthy descriptions of subject's
behaviors.
c.
randomly assign subjects to groups
d.
obtain a large range of possible scores.
Response
Feedback:
Question 4
A study’s hypothesis that a new surgical approach produces
safer outcomes in immunosuppressed patients is tested in a
fourteen-site research study across the United States. Subjects
at all sites are randomly selected and randomly assigned to
experimental versus control groups. What study design is used
in this research project?
Answer a.
s: Model testing design
b.
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