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MN 580 Combined Quizzes with all Information you need to Pass.
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MN 580 Combined Quizzes with all Information you need to Pass.
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MN 580 Combined Quizzes with allInformation you need to Pass.
A nurse researcher should be concerned about establishing clear
eligibility criteria for inclusion in a study sample because such criteria
will do what
Correct Answer -Increase the homogeneity of the sample
A nurse researcher should attempt to clearly specify exclusion criteria for
a study sample because such criteria will do what
Correct Answer -Reduce the effects of extraneous variables on the
accurate evaluation of the outcome variable
The nurse researcher knows that a sample is representative of a
population when
Correct Answer -The characteristics of the sample closely approximate
those of the population
Which type of sampling is most at risk for bias
Correct Answer -Convenience
A nurse researcher opts to use stratified sample in a research study for
which reason
Correct Answer -The sample population is divided into subsets that are
homogeneous for a particular trait or feature
A nurse researcher can most accurately use the technique of power
analysis to do what
Correct Answer -Estimate sample size
,A research consumer should evaluate sample size in a research report by
doing what
Correct Answer -By asking how representative the sample is relative to
the target population
Statement regarding sample size thats most accurate
Correct Answer -Studies with larger sample sizes are more likely to be
representative of the target population
In general, in statistics interval and ratio data can be analyzed in the
same fashion?
Correct Answer -True
Variable that is not measured at the nominal level
Correct Answer -Age
In the following hypothesis what is the independent variable?
The annual income of MBA graduates is higher than the annual income
of MSN graduates
Correct Answer -The grouping variable or independent variable is MBA
vs MSN
To use inferential parametric statistics what must be present in the data
collected in the study?
Correct Answer -Normal distribution of the dependent variable.
The dependent variable is measured at the interval/ratio level or is
interval like in nature
, In analyzing a research question or hypothesis it is important to ask the
following questions
Correct Answer -What is the research question or hypothesis asking?
What is the level of measurement of the IV and the DV?
Are assumptions of the statistical test met, particularly normal
distribution of the DV
For nominal data, parametric statistical tests are most frequently used?
Correct Answer -False
What is the DV in the following research hypothesis?
Women age 65 and older who take recommended calcium supplements
will have greater bone density than women 65 and older who do not take
recommended calcium supplements.
Correct Answer -Bone density
Measured at ordinal level?
Correct Answer -Education level measured by grade school, high school
or greater than high school.
Parametric statistics are generally considered more powerful than non-
parametric statistics because they are more likely to find statistical
significance if the alternative hypothesis is true (example - a difference
when there is a difference)
Correct Answer -True
An example of discrete variable is
Correct Answer -Number of emergency department visits in one year
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