Which of the Following Is a Difference Between Primary and Secondary

Multiple Choice

Which of the following is a difference between primary and secondary research?

A) Unlike primary research, secondary research can be gathered by means of traditional printed sources or by using electronic tools.
B) Unlike secondary research, primary research provides information that has already been created by others.
C) Unlike secondary research, primary research helps researchers save time and effort by not duplicating research that has already been undertaken.
D) Unlike primary research, secondary research includes observation, experimentation, and normative surveys.