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Nurs 2031 Practice Questions With Complete Solutions

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Nurs 2031 Practice Questions With Complete Solutions

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  • October 19, 2024
  • 17
  • 2024/2025
  • Exam (elaborations)
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  • Nurs 2031
  • Nurs 2031
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Nurs 2031 Practice Questions With Complete Solutions

A newly developed instrument is found to have a Cronbach's
alpha of 0.82. The nurse researcher interprets this to mean what?
a. The instrument has no internal consistency.
b. The instrument has a low degree of internal consistency.
c. The instrument has a moderate degree of internal consistency.
d. The instrument has a relatively high degree of internal
consistency. Correct Answer d. the instrument has a relatively
high degree of internal consistency

A nurse researcher can most accurately use the technique of
power analysis to do what?
a. to estimate sample size
b. to establish sampling strata
c. to assign participants randomly
d. to analyze sample representativeness Correct Answer a. to
estimate sample size

A nurse researcher should be particularly concerned about
having a small sample size for which reason?
a. There is increased risk of obtaining a non-representative
sample.
b. There is increased risk of a study participant interacting with
another study participant.
c. There is increased potential for loss of confidentiality.
d. There is increased regression toward the mean. Correct
Answer a. there is increased risk of obtaining a non-
representative sample

,a nurse researcher should consider mortality a threat to the
study's internal validity for which of these reasons?
a. There is concern that the intervention may have harmful
effects on participants.
b. Those who dropped out of the study may be different than
those who remained in the study.
c. Those who participated in the study may have died as a result
of being in the study.
d. There is concern that the design is inappropriate for the study
question if a large number of participants dropout of a study.
Correct Answer b. those who dropped out of the study may be
different than those who remained in the study.
participants who dropout or who are otherwise lost from a study
may differ in some important way from remaining participants
and therefore threaten internal validity

A nurse researcher would hesitate to use nonprobability
sampling because
a. it will result in reduced or limited generalizability.
b. informed consent must be obtained.
c. it will require large, unmanageable sample sizes.
d. sample sizes are too small for most methods of statistical
analysis. Correct Answer a. it will result in reduced or limited
generalizability

A nurse researcher would opt to use measures of central
tendency in which case?
a. When there is a need to describe how reliably the findings can
be generalized
b. When there is a need to describe how much dispersion is in
the sample

, c. When there is a need to describe the accuracy of predictions
made
d. When there is a need to describe the average member of the
sample Correct Answer d. when there is a need to describe the
average member of the sample

A nurse who reads research articles and incorporates research
findings into nursing practice would demonstrate which of the
following research roles?
a. Consumer
b. Primary investigator
c. Collaborator
d. Producer Correct Answer a. consumer

a patient newly diagnosed with breast cancer is asked to
participate in a clinical trial for a new chemotherapy agent. this
patients freedom to participate or not participate in the study
exercises protection of which of her human rights
a. right to fair treatment
b. right to self-determination
c. right to privacy and confidentiality
d. right to anonymity Correct Answer b. right to self-
determination

a person gives consent to participate in a study, is assigned to an
intervention group, and is expected to reamain in the study for 1
year. which ethical principle is violated if after 6n months the
participants in the treatment group have more problems than do
the control participants but the researcher does not allow
members of the treatment group to stop the treatment.
a. promoting justice

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