NUR 3405 QUIZ #3 COURSEPOINT QUESTIONS AND
ANSWERS | 2026 UPDATE | WITH COMPLETE
SOLUTION
A nurse researcher is deciding whether or not to utilize a mixed methods (MM)
research design for an evidence-based practice project. Which statements
about an MM research design are true? (Select all that apply.) Answer - MM
research can be used to generate and test a hypothesis., MM research can be
used to help to confirm a theory.
A researcher studied the impact that stress had on students in a nursing
program. One hundred bachelor of science in nursing students completed the
Perceived Stress Scale. Twenty students then volunteered to discuss the issue
of stress as part of a focus group. The data sets were analyzed separately, and
then the results were combined and interpreted. Which is the correct term for
the design used for this MM research? Answer - Convergent parallel design
A nurse researcher is reading an MM-designed research article. The nurse
researcher would know which notation identifies a study as MM with equal
qualitative and quantitative sections? Answer - QUAL/QUAN
A nurse limits researching evidence-based articles to quantitative studies only.
What does this approach do? Answer - Prevents a holistic view of the issue.
Researchers should offer an interpretation of their findings. Which statements
concerning the interpretation section of a study are correct? (Select all that
, apply.) Answer - Implications for nursing should be clearly stated., Limitations
should be clearly stated.
To be a good interpreter of research results, it is a good idea to start with a null
hypothesis. A null hypothesis indicates: Answer - There are possible errors in
the design of the study.
A researcher reports that the results of a study are statistically significant. The
nurse reading the report correctly interprets this statement as indicating:
Answer - The results are not likely due to chance.
A study yielded nonsignificant results. The nurse reading this study correctly
interprets this as Answer - The null hypothesis may be correct.
A researcher is studying self-efficacy in a population of mothers with newborn
babies. Due to the length of time of data collection, data is collected from
mothers anywhere from 5 days after giving birth to 4 weeks after giving birth.
What threat to internal validity does this situation represent? Answer -
Maturation
A quantitative instrument can be reliable without being valid. Answer - TRUE
Which of the following measures of validity concerns whether an instrument
has the appropriate sample of items for the construct being measured?
Answer - Content validity
External validity refers to the ability to generalize results from a research study
sample to a larger population. Answer - TRUE
ANSWERS | 2026 UPDATE | WITH COMPLETE
SOLUTION
A nurse researcher is deciding whether or not to utilize a mixed methods (MM)
research design for an evidence-based practice project. Which statements
about an MM research design are true? (Select all that apply.) Answer - MM
research can be used to generate and test a hypothesis., MM research can be
used to help to confirm a theory.
A researcher studied the impact that stress had on students in a nursing
program. One hundred bachelor of science in nursing students completed the
Perceived Stress Scale. Twenty students then volunteered to discuss the issue
of stress as part of a focus group. The data sets were analyzed separately, and
then the results were combined and interpreted. Which is the correct term for
the design used for this MM research? Answer - Convergent parallel design
A nurse researcher is reading an MM-designed research article. The nurse
researcher would know which notation identifies a study as MM with equal
qualitative and quantitative sections? Answer - QUAL/QUAN
A nurse limits researching evidence-based articles to quantitative studies only.
What does this approach do? Answer - Prevents a holistic view of the issue.
Researchers should offer an interpretation of their findings. Which statements
concerning the interpretation section of a study are correct? (Select all that
, apply.) Answer - Implications for nursing should be clearly stated., Limitations
should be clearly stated.
To be a good interpreter of research results, it is a good idea to start with a null
hypothesis. A null hypothesis indicates: Answer - There are possible errors in
the design of the study.
A researcher reports that the results of a study are statistically significant. The
nurse reading the report correctly interprets this statement as indicating:
Answer - The results are not likely due to chance.
A study yielded nonsignificant results. The nurse reading this study correctly
interprets this as Answer - The null hypothesis may be correct.
A researcher is studying self-efficacy in a population of mothers with newborn
babies. Due to the length of time of data collection, data is collected from
mothers anywhere from 5 days after giving birth to 4 weeks after giving birth.
What threat to internal validity does this situation represent? Answer -
Maturation
A quantitative instrument can be reliable without being valid. Answer - TRUE
Which of the following measures of validity concerns whether an instrument
has the appropriate sample of items for the construct being measured?
Answer - Content validity
External validity refers to the ability to generalize results from a research study
sample to a larger population. Answer - TRUE
