One Source of Ideas for Research Is Past Research

Multiple Choice

One source of ideas for research is past research. Why would someone do a research project based on research someone else has already done?

A) often, the technology has changed so rapidly that older studies are no longer valid
B) too many published articles used qualitative research methods when experiments were really required
C) journals like to publish replication studies
D) often, the results of a study creates more questions than it answers