Primary research method can include( ).
举一反三
- Primary research method can include( ). A: Experiment B: Observation C: Interview D: A.B and C
- 中国大学MOOC: Which research method can be used to collect primary data?
- Which research method can be used to collect primary data? A: Statistical analysis B: Observations C: Online search D: All of the three.
- 3B teaching method can be used only in primary English teaching.
- What are the main sources of marketing research information？: higher research|primary research|secondary research|thirdly research