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5. Imagine you want to study the opinions of students about the quality of education
at your university. How would you select a sample of students to participate in your
study? Would you randomly select students from different departments or use a
non-random technique such as quota sampling? Justify your approach.

Self- Assessment Questions

1. What do you mean by population?
2. What is sampling?

3. What are the two methods of collecting data from respondents?
4. What is random sampling?

5. Explain non-random sampling.

6. Explain the differences between Stratified sampling technique and Cluster sam-
pling technique.
7. How does snowball sampling work?

References

1. Tandon, B.C; (1979). Research Methodology in Social Sciences. Chaitanya Pub-
lishing House.

2. Chawla, D; and Sondhi, N., (2016). Research Methodology: Concepts and Cases.
Vikas Publishing House Pvt. Ltd.
3. Kevin, S., (2021). Research Methodology for Social Sciences. Ane Books Pvt. Ltd.,
New Delhi.

4. Kothari, C. R., (2004). Research Methodology: Methods and Techniques. New Age
International (P) Limited.
5. Krishnaswami, O.R., Ranganathan, M., & Harikumar, P.N. (2016). Research Meth-
odology. Himalaya Publishing House.

6. Panneerselvam, R. (2014) Research Methodology. PHI Learning.

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