Question: 1. What is the difference between simple random sampling and stratified random sampling? Define non-probability sampling and describe Quota sampling and Snow ball sampling in

1. What is the difference between simple random sampling and stratified random sampling? Define non-probability sampling and describe Quota sampling and Snow ball sampling in brief'.

2. What is Reliability? Describe any two estimating reliability methods.

3. Discuss the importance of literature review in scientific research.

4. What is qualitative research? Explain the basic assumptions of qualitative research approach.

5. What do you mean by Ethical issues in research? How can we avoid the unethical steps in research?

6. Define hypothesis. What is the purpose of developing hypothesis for a research study?

7. Distinguish between Structured lnterview and Unstructured Interview of primary data collection methods.

8. Answer of the following question in a single sentence: (a) Pure Research (b) Applied Research (c) Type I error (d) Null Hypothesis (e) Action Research

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