Non-experimental studies provide what type of evidence?
1Level II 2Level III 3.Level IV 4Level V 3. Level IV (4)
A study was designed to assess whether motion had an effect on the mood of elderly residents in a nursing home. The researcher examined whether residents who ambulated for an hour ever...
NUR 323 Quiz 2 Questions and Complete
Solutions
Non-experimental studies provide what type of evidence?
1Level II
2Level III
3.Level IV
4Level V ✅3. Level IV (4)
A study was designed to assess whether motion had an effect on the mood of elderly
residents in a nursing home. The researcher examined whether residents who
ambulated for an hour every day were more engaged in their environments than those
who did not ambulate. This type of study is known as what?
1.Prospective
2.Comparative
3.Ex post facto
4.Correlational ✅Comparative
What is an advantage of using surveys for data collection?
1.Causation can be determined.
2.Information can be collected in great depth.
3.Large-scale surveys are relatively inexpensive.
4.A relatively small number of subjects can provide accurate information. ✅4. A
relatively small number of subjects can provide accurate information.
What is the role of an investigator in a correlational study?
1.Examines the relationship between two or more variables.
2.Evaluates data collection instruments.
3.Determines a cause-and-effect relationship among variables.
4.Uses each subject as his or her own control. ✅1.Examines the relationship between
two or more variables.
Non-experimental correlational studies are used frequently in nursing research for which
reason?
1.Findings of non-experimental correlational studies can be generalized to larger
populations.
2.Independent variables can be manipulated precisely in correlational studies.
3.Many of the phenomena of clinical interest fail to lend themselves to manipulation,
control, or randomization.
, 4.To determine the best clinical practices, nurses must be aware of cause-and-effect
relationships. ✅3.Many of the phenomena of clinical interest fail to lend themselves to
manipulation, control, or randomization.
Which type of studies is concerned specifically with a time perspective?
Graduates of nursing programs were surveyed 6 months post graduation to determine
their perspectives on the adequacy of their nursing education. This study is an example
of what kind of study?
1.A cross-sectional study
2.A prospective study
3.An ex post facto study
4.A longitudinal study ✅A cross-sectional study
Why are predictive models used?
1.To synthesize findings from randomized clinical trials to test the effectiveness of an
intervention
2.To develop measurement techniques to establish causal relationships
3.To generalize findings from non-experimental studies
4.To explain the relationships among variables to establish predictive or causal links
✅4.To explain the relationships among variables to establish predictive or causal links
Why are psychometrics used?
1.To interpret research data to determine cause-and-effect relationships
2.To use the research process to develop tools or techniques for use in measurement
3.To combine data from multiple research studies and summarize their findings
4.To analyze data collected for another purpose ✅To use the research process to
develop tools or techniques for use in measurement
A researcher explored the nursing practice of new graduates to measure the frequency
of medical errors they made over time. A cohort of new graduates was surveyed at 6
months, 9 months, and 1 year post graduation. Which design best describes this study?
Which type of study would be classified as a developmental study?
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