Exam Prep – Research Methods & Statistics|
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A researcher collecting quantitative data analysis uses statistical methods to complete which
actions? Select all that apply.
Summarize data
Describe data
Compare data
A nurse is reviewing evidence-based research studies on how to reduce falls. Before
implementing the recommendations in nursing practice, the nurse should evaluate which
factors from the study? Select all that apply.
Appropriateness of the test selected
Statistical and clinical significance
Size of the effect
Probability of error
Certainty of estimates
The nurse understands the initial part of the results section of a study should provide
__________ statistics about the __________ and each __________ for the nurse to gain a good
understanding of the details of the __________ utilized in the study.
Descriptive
Sample
Variable
Sample
The nurse is preparing to review evidence-based research on total hip outcomes. The nurse
understands they should have a good understanding of the key elements to quantitative
analysis. Select the key element from the drop-down menu for its appropriate description.
, Data collection methods - Surveys, structured observations, checklists, or direct measurements.
Tabulation - Table forms with clear labels of rows and columns. Charts and graphs are useful
when communicating trends and patterns.
Summary statistics - Use of frequency distributions, averages, measures of dispersion, or
correlations.
Descriptive analysis - May involve cross-tabulations, comparison of variables, analysis of sub-
groups within the data, or how variables change over time.
Statistical analysis - These methods include calculation of confidence intervals and statistical
testing of differences.
The nurse identifies that the author conducted a single dependent variable analysis, referred to
as __________ analysis.
The study was conducted to determine if a correlation existed between two variables within the
study, so the nurse was able to make the distinction that a __________ analysis was used.
Based on the assumption the data distribution was in a normal bell-shape, the nurse
determined a __________ test was utilized.
Inferential
Bivariate
Parametric
The nurse is examining the results section of an evidence-based study. The nurse should expect
to find which types of data in the results section of the study?
Included in the Results Section:
Each variable included in the study
Statistic test
The p value
Not Included in the Results Section:
A priori plan