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Self- Assessment Questions

1. What do you mean by data?
2. Explain primary data.

3. What is secondary data? Explain the sources from which secondary data can be
extracted.
4. What is a pilot study?

5. What is pretesting?
6. What are the various methods of collecting primary data?

7. Differentiate between a questionnaire and an interview schedule.

8. Explain briefly the various types of data.

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.

138 SGOU - SLM -MCom Research Methodology