In quantitative research, inferential statistics are numerical values that enable a researcher to reach conclusions that extend beyond the immediate data alone. Which inferential statistic tests the relationship between two variables?
Analysis of variance (ANOVA)
T-test
P-value
Pearson's r correlations
The Correct Answer is D
Choice A reason: ANOVA is used to compare means across three or more groups to determine if there are statistically significant differences. It does not test the relationship between two variables but rather differences among group means.
Choice B reason: A t-test compares the means of two groups to determine if they are statistically different. It is useful for hypothesis testing but does not measure the strength or direction of a relationship between two continuous variables.
Choice C reason: The p-value indicates the probability that the observed results occurred by chance. It is a component of hypothesis testing but not a statistic that directly measures relationships between variables.
Choice D reason: Pearson’s r correlation coefficient measures the strength and direction of the linear relationship between two continuous variables. It ranges from -1 to +1 and is the most appropriate inferential statistic for testing relationships between two variables.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason: Beneficence involves promoting good and preventing harm. It is a core ethical principle but does not specifically address equal treatment or fairness.
Choice B reason: Justice is the ethical principle that emphasizes fairness, equity, and impartiality. In nursing, it means treating all patients with equal respect and ensuring that care is distributed fairly, regardless of personal characteristics or social status.
Choice C reason: Respect is foundational to ethical practice, particularly in honoring autonomy and dignity. However, it does not explicitly mandate equal treatment across individuals, which is the domain of justice.
Choice D reason: Fidelity refers to loyalty, faithfulness, and keeping promises. It supports trust in the nurse-patient relationship but does not encompass the principle of equal respect for all.
Correct Answer is A
Explanation
Choice A reason: This response reflects a core principle of motivational interviewing—expressing empathy and highlighting ambivalence. It validates the client’s conflicting feelings and opens the door for deeper exploration of values and goals, which can enhance motivation for change.
Choice B reason: This response is confrontational and may provoke defensiveness. Motivational interviewing avoids judgment and instead fosters collaboration and self-reflection.
Choice C reason: This statement is shaming and accusatory. It undermines the supportive tone of motivational interviewing and may damage rapport, reducing the likelihood of behavior change.
Choice D reason: While honesty is important, this directive approach lacks the client-centered spirit of motivational interviewing. It imposes a solution rather than guiding the client to discover their own motivation.
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