Answer:
detailed plan or method for scientifically obtaining data
Step-by-step explanation:
Research design is defined as a particular framework or technique of various research techniques or methods that are being chosen by an experimenter or the researcher. A research design or a specific research topic tends to explain various types of research and eventually related sub-types.
Types include correlational research, experimental research, survey, etc.
Sub-types include research problem, descriptive case study, experimental design, etc.