NURS 3300 Exam 2 Dr. Parker Questions with Correct Answers
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Course
RN- Nursing
Institution
RN- Nursing
Objectivity Correct Answer use of facts w/o distortion by biases; involves reviewing the literature w/a critical "eye".
Design Correct Answer provides the plan/blueprint for the conduct of a study in answering the RQs/testing hypotheses.
Feasibility Correct Answer involves the following:
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NURS 3300 Exam 2 Dr. Parker Questions with
Correct Answers
Objectivity Correct Answer ✓✓ use of facts w/o distortion by biases;
involves reviewing the literature w/a critical "eye".
Design Correct Answer ✓✓ provides the plan/blueprint for the conduct
of a study in answering the RQs/testing hypotheses.
Feasibility Correct Answer ✓✓ involves the following:
time - is there enough to complete the study?
subject availability - is there a sufficient # of eligible subjects available?
facility/equipment availability - are the necessary equipment and
facilities available?
expense - is money available for projected cost?
experience - is the study based on the researcher's experience and
interest?
ethics - could subjects be harmed?
Intervention fidelity Correct Answer ✓✓ adherence or compliance to
study protocols.
-ensures that every subject receiving the intervention or treatment
receive the identical intervention or treatment.
,Control variables Correct Answer ✓✓ measures used to hold the
conditions of a study constant, such as elements built into a design to
reduce or eliminate inaccurate interpretations of the results of a study
Extraneous/mediating variables Correct Answer ✓✓ processes that
occur during a study that could interfere with the operations of a study or
influence the relationship between the IV and DV.
Validity Correct Answer ✓✓ criteria used to evaluate bias, credibility,
and dependability of research.
homogeneity Correct Answer ✓✓ homogenous samples where
characteristics of subjects are common; where participants have similar
extraneous variables that might influence outcomes.
constancy Correct Answer ✓✓ methods and data collection procedures
are the same for all subjects
manipulation Correct Answer ✓✓ administration of an intervention of
the IV to *some of the subjects* in a study and not to the other subjects.
randomization Correct Answer ✓✓ sampling procedure for a study in
which each person has an equal chance of being selected to participate in
a study, and equal chance of being assigned to either the control or
experimental group.
, How do we control for extraneous variables? Correct Answer ✓✓
Homogeneity, constancy, manipulation, and randomization
Internal validity Correct Answer ✓✓ the degree to which it can be
inferred that the experimental treatment, rather than an uncontrolled
condition, resulted in the observed effect.
Threats to internal validity Correct Answer ✓✓ -Effect of history on the
DV
-Maturation processes operating within subjects
-Effect of pre-testing on post-testing
-Consistency of instrumentation
-Mortality or attrition or drop-out of study subjects
-Bias selection of study sample
Which threat to internal validity is relevant given this scenario: A health
care services satisfaction tool was administered to a group of low-
income hospital patients and to a group of middle class hospital patients
of the same age and gender. More favorable attitudes were found in the
middle class group. Correct Answer ✓✓ Selection
Which threat to internal validity is relevant given this scenario: In an
experimental study in patient education, 25% of subjects in the
intervention group did not complete the study (due to lack of
motivation).. Correct Answer ✓✓ Mortality
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