Sampling and Sampling Techniques
🎓 Mastering Sampling in Educational Research | Probability & Non-Probability Sampling Explained
Presented by Ìsuntéré Educational TV
In this PowerUp session, we explore one of the most important foundations of educational research — Sampling. This video provides a clear and practical explanation of how researchers select participants and why sampling decisions influence the validity, credibility, and generalisation of research findings.
📚 In this video, you will learn:
✔️ Difference between Population and Sample
✔️ Why Sampling Matters in Educational Research
✔️ Probability vs Non-Probability Sampling
✔️ Simple Random Sampling
✔️ Systematic Sampling
✔️ Stratified Sampling
✔️ Cluster and Multi-stage Sampling
✔️ Convenience, Purposive, Quota & Snowball Sampling
✔️ Sampling Bias and Generalisation
✔️ Ethical Issues in Sampling
✔️ How Researchers Choose Sampling Methods
✔️ Common Sampling Mistakes to Avoid
This lesson uses practical educational examples and reflective discussions to help students and researchers understand sampling beyond memorisation.
💡 Core Message:
Sampling is a methodological decision, not a mechanical procedure.
📖 Recommended for:
Undergraduate students
Postgraduate students
Researchers
Thesis and dissertation writers
Research methodology students
Educators and supervisors
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