Of the following research scenarios, choose 4 (only) and justify a research design. Use the literature to support your choice. Analyse each scenario and plan a research design that fits the problem...

Of the following research scenarios, choose 4 (only) and justify a research design.  Use the literature to support your choice. Analyse each scenario and plan a research design that fits the problem and question. Outline your research method(s) and defend why you picked them.