3 Types of study designs

So far, you have learnt how to ask a RQ.

In this chapter, you will study the details of how to collect the data needed to answer the RQ. You will learn to:

  • design scientifically sound studies to answer simple quantitative research questions.
  • design ethical studies.
  • describe the various types of quantitative research studies.
  • compare and contrast experimental and observational studies.
  • describe and identify retrospective, prospective and cross-sectional observational studies.
  • describe and identify true experimental and quasi-experimental studies.