The main task of a researcher is to design and answer a specific research problem. The research design; What is it covered?

THE RESEARCH DESIGN: it covers

1. Sampling Design; determining the target population, sample size, and sampling Techniques; purposive sampling, simple random sampling, quota sampling, accidental sampling, systematic sampling, etc.

2. Measurement Design: What are the Variables, Research Instrument; Treatment, Data Gathering Instrument, and How to develop the Instrument.

3. Statistical Design: Descriptive Statistics; Mean, Med. Mode, SD, Inferential statistic; t-test, F-Test, etc.