Question

what are the main sources of data​

Answer 1

Answer:

Primary data sources include information collected and processed directly by the researcher, such as observations, surveys, interviews, and focus groups. Secondary data sources include information retrieved through preexisting sources: research articles, Internet or library searches, etc.

Answer 2

Answer:

Primary data sources include information collected and processed directly by the researcher, such as observations, surveys, interviews, and focus groups. Secondary data sources include information retrieved through preexisting sources: research articles, Internet or library searches, etc.

I hope it help you..