\ \ \ \ \ \ \ \ \ \ is the process of selecting a portion of the population to represent entire population. - AIIMS Raipur NO- 2019 (shift 3rd)

AIIMS Raipur NO- 2019 (shift 3rd)

Nursing Research & Statistics

Easy

Appeared in: AIIMS Raipur NO- 2019 (shift 3rd)

Explanation

Sampling is the formal process of selecting a representative subset of a population to study.
The primary goal is to be able to make statistical inferences or generalizations about the larger population based on the findings from the sample.
This method is used because studying an entire population is often impractical or impossible due to constraints like time, cost, and accessibility.
A well-chosen sample accurately reflects the characteristics of the entire population, ensuring the study's findings are valid and generalizable.

Option B: Forecasting is about predicting future outcomes based on historical and current data, not about selecting a group for a study.
Option C: Validity concerns the accuracy of a research instrument (e.g., a questionnaire or a lab test), ensuring it measures what it claims to measure.
Option D: Reliability refers to the consistency of a measure. A reliable tool gives the same result when used repeatedly under the same conditions.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Definition of Sampling in Research as background academic context rather than a clinical decision trigger.
Understanding sampling is crucial for nurses to practice evidence-based care. It allows them to critically evaluate research studies and determine if the findings are applicable to their own patient populations.
A nurse must assess if the sample in a study (e.g., on a new wound care dressing) is similar to their patients in terms of age, comorbidities, and wound type before applying the study's conclusions in practice.
What if? If a study on hypertension management used a sample consisting only of male participants, a nurse would need to be cautious about applying the findings to female patients, as the results may not be generalizable due to physiological differences.

How to Approach the Question

First, read the question carefully to identify the core concept being defined. The key phrase is 'selecting a portion of the population to represent the entire population'.
Next, analyze the provided options: Sampling, forecasting, Validity, and Reliability.
Recall the definitions of these fundamental research terms.
Match the definition in the question stem with the correct term. The process described directly corresponds to the definition of 'Sampling'.
Eliminate the other options by confirming their definitions do not match the process described in the question.

Concept Tested & Keywords

Concept Tested: Definition of Sampling in Research
Stem keywords: process, selecting, portion of the population, represent entire population
Lead-in keywords: is the process
Negative lead-in flag: false

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