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Review Test Submission: Module 2 Quiz
2192-NURS-5366-407-PRINC-OF-RESEARCH-IN-NURSING--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.