If you want the views of a few scientists on the possibility and means of establishing a colony of people in Mars, which method of data collection would you use? a.            Questionnaire...

If you want the views of a few scientists on the possibility and means of establishing a colony of people in Mars, which method of data collection would you use?

a.            Questionnaire

b.            Interview

c.             Observation

d.            Focus group

The use of several methods for research is known as

a.            Cross-sectional study

b.            Age-cohort study

c.             Triangulation

d.            Insider’s perspective