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.