NURS 5366 Module 7 Exam V2 | NURS
5366 Principles of Research in Nursing |
Actual Q&A with Rationale (NURS5366
Module 7 Exam) | The University of Texas
at Arlington
1. When a researcher is evaluating the strength of a quantitative study, which statistical value
represents the probability that the results occurred by chance?
A. Cronbach’s alpha
B. p-value
C. Pearson’s r
D. T-statistic
Answer: B
Rationale: The p-value is a critical metric used in hypothesis testing to determine the
likelihood of obtaining the observed results if the null hypothesis were true. In nursing
research, a threshold of 0.05 is typically used to denote statistical significance. If the value
is below this threshold, the researcher can conclude that the findings are likely not due to
random variation.
2. In qualitative research, which term describes the strategy of using multiple data sources or
methods to confirm findings and enhance rigor?
A. Saturation
,B. Bracketing
C. Member checking
D. Triangulation
Answer: D
Rationale: Triangulation is a robust method employed to increase the credibility of
qualitative data by cross-verifying information. This process involves looking at the
phenomenon through different lenses, such as different investigators or data collection
timeframes. By doing so, the researcher ensures a more comprehensive and balanced
understanding of the subject matter.
3. Which type of error occurs when a researcher fails to reject a null hypothesis that is
actually false?
A. Type II error
B. Type I error
C. Standard error
D. Systematic error
Answer: A
Rationale: A Type II error occurs when the study lacks sufficient power to detect a real
effect or difference between groups. This often happens due to a small sample size, which
prevents the researcher from identifying a significant finding that truly exists in the
, population. To minimize this risk, researchers perform a power analysis before data
collection begins.
4. A nursing student is reviewing a study that uses a Likert scale to measure patient
satisfaction. What level of measurement is being utilized?
A. Nominal
B. Ratio
C. Interval
D. Ordinal
Answer: D
Rationale: Likert scales represent an Ordinal level of measurement because the responses
can be ranked or ordered, but the distance between points is not mathematically equal. For
instance, the difference between ‘strongly agree’ and ‘agree’ may not be the same as ‘agree’
and ‘neutral’. This classification limits the types of statistical tests that can be applied to the
data.
5. What is the primary purpose of a ‘Power Analysis’ in the planning phase of a quantitative
research study?
A. To determine the ethical feasibility of the study
B. To estimate the minimum sample size required
C. To identify potential confounding variables
5366 Principles of Research in Nursing |
Actual Q&A with Rationale (NURS5366
Module 7 Exam) | The University of Texas
at Arlington
1. When a researcher is evaluating the strength of a quantitative study, which statistical value
represents the probability that the results occurred by chance?
A. Cronbach’s alpha
B. p-value
C. Pearson’s r
D. T-statistic
Answer: B
Rationale: The p-value is a critical metric used in hypothesis testing to determine the
likelihood of obtaining the observed results if the null hypothesis were true. In nursing
research, a threshold of 0.05 is typically used to denote statistical significance. If the value
is below this threshold, the researcher can conclude that the findings are likely not due to
random variation.
2. In qualitative research, which term describes the strategy of using multiple data sources or
methods to confirm findings and enhance rigor?
A. Saturation
,B. Bracketing
C. Member checking
D. Triangulation
Answer: D
Rationale: Triangulation is a robust method employed to increase the credibility of
qualitative data by cross-verifying information. This process involves looking at the
phenomenon through different lenses, such as different investigators or data collection
timeframes. By doing so, the researcher ensures a more comprehensive and balanced
understanding of the subject matter.
3. Which type of error occurs when a researcher fails to reject a null hypothesis that is
actually false?
A. Type II error
B. Type I error
C. Standard error
D. Systematic error
Answer: A
Rationale: A Type II error occurs when the study lacks sufficient power to detect a real
effect or difference between groups. This often happens due to a small sample size, which
prevents the researcher from identifying a significant finding that truly exists in the
, population. To minimize this risk, researchers perform a power analysis before data
collection begins.
4. A nursing student is reviewing a study that uses a Likert scale to measure patient
satisfaction. What level of measurement is being utilized?
A. Nominal
B. Ratio
C. Interval
D. Ordinal
Answer: D
Rationale: Likert scales represent an Ordinal level of measurement because the responses
can be ranked or ordered, but the distance between points is not mathematically equal. For
instance, the difference between ‘strongly agree’ and ‘agree’ may not be the same as ‘agree’
and ‘neutral’. This classification limits the types of statistical tests that can be applied to the
data.
5. What is the primary purpose of a ‘Power Analysis’ in the planning phase of a quantitative
research study?
A. To determine the ethical feasibility of the study
B. To estimate the minimum sample size required
C. To identify potential confounding variables
