Answer:
Research design is a framework for planning and conducting research. It is the overall plan for how the research will be conducted and it includes the structure of the research, the sampling method, the data collection methods, and the data analysis techniques. The basis of stratification to be employed in sampling public opinion on inflation will depend on the type of research being conducted. For example, if the research is looking to compare different socio-economic groups, then stratification based on income, education level, or occupation may be used. If the research is looking to compare different geographical regions, then stratification based on region or state may be used. Stratification may also be used to ensure that the sample is representative of the population as a whole.
Step-by-step explanation: