Which one of the following is a tentative answer to a research question?

RRB Nsg. Superintendent-20 July 2019 (Shift-1)

Nursing Research & Statistics

Easy

Appeared in: RRB Nsg. Superintendent-20 July 2019 (Shift-1)

Explanation

A hypothesis is defined as a tentative prediction or a provisional explanation for a phenomenon, which a research study is designed to test.
It translates the research question into a clear, declarative statement about the expected relationship between variables (e.g., an independent and a dependent variable).
The entire research study is structured to gather evidence that will either support or refute this initial hypothesis.

Option A: An operational definition does not answer the research question. Instead, it clarifies how a concept or variable will be measured or manipulated within the study.
Option B: Validity refers to the degree of accuracy and truthfulness of the research methods and findings. It is a quality of the study, not a tentative answer.
Option C: Objectives are the specific aims or goals that the researcher sets out to accomplish in the study. They state what the researcher will do, not what they expect to find.

Visual 1: Flowchart - A flowchart illustrating the research process, showing the progression from a broad topic to a specific research question, then to a hypothesis, followed by data collection, analysis, and conclusion. This would visually place the hypothesis in its correct context as the bridge between the question and the investigation.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Definition of Hypothesis in Research Methodology as background academic context rather than a clinical decision trigger.
Understanding the role of a hypothesis is fundamental for nurses to practice evidence-based care. It enables them to critically appraise research articles and determine if the evidence is strong enough to change clinical practice.
When evaluating a new intervention (e.g., a new wound care technique), a nurse can identify the study's hypothesis to understand the expected outcome and then assess if the results support it.
What if? If a research article does not state a hypothesis, it may be a descriptive or exploratory study. In this case, the nurse's focus should shift to the research questions and objectives to understand the study's purpose and findings.

How to Approach the Question

Identify the key phrase in the question stem: 'tentative answer to a research question'. This is a definitional query.
Analyze each option based on its specific role in the research process.
Recall that an 'operational definition' is about how to measure something.
Recall that 'validity' is about the accuracy of the measurement or study.
Recall that 'objectives' are the goals or aims of the study.
Recall that a 'hypothesis' is a testable prediction or a proposed explanation. This directly matches the definition of a 'tentative answer'.

Concept Tested & Keywords

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