A nurse is aware that, ‘‘The systematic collection of numerical information, often under conditions of considerable control, and the analysis of the information using statistical procedures’’ best defines:
Quantitative research
Qualitative research
Experimental research
Evidence-based practice
The Correct Answer is A
In nursing and healthcare research, understanding the different types of research methodologies is essential for evaluating and applying evidence to practice. Distinguishing between the various approaches helps nurses select appropriate studies, critically appraise findings, and contribute to improving care.
Rationale for correct answer:
A. Quantitative research: This type of research involves the systematic collection and statistical analysis of numerical data. It typically uses controlled conditions, large sample sizes, and measurable variables to test hypotheses and answer specific questions.
Rationale for incorrect answers:
B. Qualitative research focuses on exploring human experiences, emotions, and perceptions through non-numerical data such as interviews, observations, and thematic analysis. It is more subjective and descriptive.
C.Experimental research is a subcategory of quantitative research that includes manipulating variables and using control groups to determine cause-and-effect relationships.
D. Evidence-based practice (EBP) is the integration of the best research evidence with clinical expertise and patient values. It is a broader approach that uses research findings (from both quantitative and qualitative studies), but it is not a type of research itself.
Take home points:
- Quantitative research is defined by its use of numerical data, statistical analysis, and controlled conditions.
- Understanding the differences between research types helps nurses critically evaluate studies.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
When conducting research, investigators gather information systematically to answer specific questions or test hypotheses. This collected information is the foundation for analysis and interpretation, ultimately guiding decision-making in clinical and academic settings.
Rationale for correct answer:
C. Data refers to the raw information collected during research, which is later analyzed to draw conclusions.
Rationale for incorrect answers:
A. A subject is the person or entity from whom data is collected, not the information itself.
B. Analysis refers to the process of examining data, not the data itself.
D. An abstract is a summary of a research study, usually found at the beginning of a report or article.
Take home points
- In research, the term data refers to the actual pieces of information collected for analysis.
- Distinguishing between data, subjects, and analysis prevents confusion in interpreting research methodology.
Correct Answer is A
Explanation
Nursing theories vary in scope and purpose. Some describe phenomena (descriptive), some explain growth and changes (developmental), others explore complex interactions (systems), and some directly guide clinical decision-making (prescriptive).
Rationale for correct answer:
A. Prescriptive theories guide nursing interventions, predict outcomes, and provide direct instructions for clinical practice.
Rationale for incorrect answers:
B. Descriptive theory: Descriptive theories explain or describe a phenomenon without directing specific nursing actions.
C. Developmental theory: Focuses on the process of growth and development across the lifespan, not on nursing interventions.
D. Systems theory: Examines how components of a system interact, useful for understanding healthcare environments but not specifically for guiding direct care actions.
Take home points
- Prescriptive theories are designed to guide nursing interventions and predict patient outcomes.
- Different theory types serve different purposes-choosing the right one depends on whether you’re describing, explaining, or applying nursing knowledge.
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