NUR 315 Evidence-Based Nursing Research Exam with Questions and Answers

It covers key domains which include; Sources of Evidence, the Research Process, Methodological Comparison, Research Critique and Interpretation, Levels of Evidence, Generalizability and Diversity, Evidence-Based Practice (EBP) Project Design and application to Clinical Practice Which of the following best distinguishes a research problem from a research purpose in evidence-based nursing research? a. The research problem identifies the gap in knowledge, while the purpose states the intent to address that gap b. The research problem describes the sample, while the purpose defines the variables c. The research problem explains the methodology, while the purpose outlines the statistical analysis d. The research problem summarizes findings, while the purpose interprets results Correct Answer: a Rationale: The research problem highlights an issue or gap in current knowledge requiring investigation, while the purpose statement clearly articulates the study’s intent to address that gap. This distinction is essential for guiding the research process and ensuring clarity in study direction. Which source of evidence provides the highest level of reliability for determining the effectiveness of a nursing intervention due to its synthesis of multiple high-quality studies? a. Case reports b. Expert opinion c. Systematic reviews and meta-analyses d. Narrative reviews Correct Answer: c. Systematic reviews and meta-analyses Rationale: Systematic reviews and meta-analyses are considered the strongest sources of evidence because they combine results from multiple rigorous studies, often randomized controlled trials, using structured and reproducible methods. This reduces bias and increases the generalizability of findings compared to single studies or lower-level evidence such as expert opinion.