AIIMS Raipur lecturer 2021
Nursing Research & Statistics
Easy
Which among the following is a non-probability sampling technique?
Appeared in: AIIMS Raipur lecturer 2021
Explanation
- Quota sampling is a non-probability sampling method.
- It involves dividing the population into mutually exclusive subgroups (quotas) based on specific characteristics like age, gender, or disease status.
- The key feature that makes it non-probability is that the researcher selects subjects from each subgroup using non-random methods, such as convenience or judgment, until the quotas are filled.
- Unlike stratified sampling, individuals do not have a known chance of being selected.
Why Other Options Were Wrong
- Option A: Cluster sampling is a probability sampling technique.
- Option C: Sequential sampling is considered a probability sampling technique.
- Option D: Stratified sampling is a probability sampling technique.
Related Visual
Clinical Relevance
- Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Types of Sampling Techniques in Research (Probability vs. Non-Probability) as background academic context rather than a clinical decision trigger.
- In nursing research, understanding the difference between probability and non-probability sampling is crucial for evaluating the quality of evidence.
- Quota sampling is often used in nursing studies for practical reasons, like when a complete list of the population (sampling frame) is unavailable, but it's important for the nurse to recognize its limitations in generalizability.
- A nurse reading a study that used quota sampling should be cautious about applying the findings broadly to all patients, as the sample may not be truly representative.
How to Approach the Question
- First, identify the core concept of the question, which is to distinguish between different types of sampling techniques.
- Recall the main two categories: probability and non-probability sampling.
- Define non-probability sampling: a method where subjects are not selected randomly, and thus not every individual has a chance of being included.
- Evaluate each option against this definition:
- Does Cluster sampling involve random selection? Yes, of clusters. So it's a probability method.
- Does Stratified sampling involve random selection? Yes, within strata. So it's a probability method.
Concept Tested & Keywords
- Concept Tested: Types of Sampling Techniques in Research (Probability vs. Non-Probability)
- Stem keywords: non-probability sampling, sampling technique
- Lead-in keywords: Which among
- Negative lead-in flag: false
Question ID
QFK00fTsAzmoZvMmeZn-Kp
Reference Book
E6 NursingResearch Suresh Sharma 5e Part 1 pp. 245-247, 240-242
E6 NursingResearch Sukhpal Kaur p. 260-262
Practise the full AIIMS Raipur lecturer 2021
Attempt every question from this paper in a timed mock, then review the full solution for each one.
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