Which of the following statements about quantitative research and qualitative research is/are true?
A.
qualitative research chiefly collects and uses quantitative data, and uses mathematical and statistical tools to analyze them.
B.
Quantitative research chiefly collects and uses qualitative data and derives meanings through interpretation of the data.
C.
In qualitative research, the data are explicit and verbal in form.
D.
In quantitative research,the data are implicit and numerical in form.
E.
In qualitative research, data are collected in the methods of in-depth interview, focus group, participant observation, reflexive journals...
F.
In quantitative research, data are collected in the methods of questionnaire surveys, structured observation...