This paper is primarily based on literature research and it is divided among five parts, which are: (1) Introduction (2) The Approach to Sampling (3) Purposive Sampling (4) Purposive Sampling and Its Holistic Applicability (5) Conclusion. The discussions are aimed at explaining the necessity of sampling in general and purposive sampling in particular. The paper also attempts to homogenise the various management studies fields and scenarios.
Table of Contents
1. Introduction
2. The Approach to Sampling
3. Purposive Sampling
4. Purposive Sampling and Its Holistic Applicability
5. Conclusion
Objectives & Key Themes
The primary objective of this paper is to explore the methodology of purposive sampling as a reliable approach for research, particularly when dealing with vast, hard-to-reach populations or rare subjects, while addressing the inherent limitations of general sampling techniques.
- The necessity of sampling in academic and management research
- Challenges associated with large-scale or inaccessible populations
- The specific utility of non-probability sampling methods
- Methodological benefits and ethical considerations of purposive sampling
Excerpt from the Book
Purposive Sampling
Purposive sampling is a method of non-probability sampling. It is an outstanding tool for research in phenomenology. For several helpful studies and much qualitative research-work, purposive sampling is desirable in any of a number of forms. “In purposive sampling, the researcher selects sampling units based on his or her judgement of what units will facilitate an investigation.” (Adler & Clark, 2008, p. 121)
All through purposive sampling the elements are chosen for a precise purpose generally due to the very unique placements of the trial elements. The purposive sampling may engross studying the entire population of a number of limited groups or a division of a given populace (Engel & Schutt, 2009). In purposive sampling, lesser amount of investment is needed but the whole process is highly effective.
Summary of Chapters
1. Introduction: This chapter highlights the fundamental necessity of sampling in research due to the practical impossibility of accessing entire populations, setting the stage for the study of purposive sampling.
2. The Approach to Sampling: The author discusses the complexity of sampling in qualitative research, noting that inconsistent terminology and overlapping types can challenge researchers in the field.
3. Purposive Sampling: This section defines purposive sampling as a non-probability, highly effective method that relies on researcher judgment to select units that facilitate specific investigations.
4. Purposive Sampling and Its Holistic Applicability: The text addresses two specific research challenges—accessing restricted populations and researching rare phenomena—where purposive sampling proves to be the most reliable method.
5. Conclusion: The author reflects on the practical application of purposive sampling, citing its utility in fields like pharmacology and its potential to mitigate ethical issues in research.
Keywords
Purposive sampling, Qualitative research, Non-probability sampling, Research methodology, Sampling theory, Phenomenology, Data collection, Targeted analysis, Theoretical saturation, Population sampling, Ethical research, Management studies.
Frequently Asked Questions
What is the core focus of this research paper?
The paper focuses on the methodology of sampling, specifically advocating for and explaining the utility of purposive sampling in various research environments.
What are the primary themes discussed?
The key themes include the necessity of sampling, the challenges of accessing specific or vast populations, the definition of purposive sampling, and its application in medical and social research.
What is the main research question or goal?
The goal is to explain why researchers must apply sampling techniques and how the methodology of purposive sampling serves as a solution to common research debacles.
Which scientific methodology is primarily discussed?
The paper focuses on non-probability sampling, specifically the methodology of purposive sampling, which relies on the researcher's informed judgment to select subjects.
What is covered in the main body of the text?
The main body examines the approach to sampling in qualitative research, defines purposive sampling, and evaluates its applicability in scenarios where populations are inaccessible or sample sizes are microscopic.
Which keywords best characterize this work?
The work is best characterized by terms such as Purposive sampling, Qualitative research, Research methodology, and Data collection.
How does the author justify the use of purposive sampling in restricted environments?
The author argues that in environments like the People's Republic of China, where access to independent opinions is restricted, selective and concise sampling is the only reliable way to conduct research.
Why is purposive sampling recommended for rare disease research?
It is recommended because rare diseases often have microscopic sample frequencies; therefore, targeted and authentic information retrieval is required to avoid theoretical saturation.
- Arbeit zitieren
- Arghya Ray (Autor:in), 2012, The Methodoloy of Sampling and Purposive Sampling, München, GRIN Verlag, https://www.hausarbeiten.de/document/189529