What do you understand by research design? Where in your research design you wi

What do you understand by research design? Where in your research design you will need techniques of data collection? And what sampling has to do with techniques of data collection? Convincingly explain your response in your own words by using relevant example(s), references to readings, and classroom discussions.
Word Limit: 500–600 words (excluding citations and reference list)
I have attached the syllabus with all the readings