Chapter Summary

Chapter objectives:

  • To consider the benefits of RCTs as an experimental method, alongside their shortcomings in health research
  • To particularly highlight situations where it is not appropriate to use RCTs for methodological, practical or ethical reasons
  • To outline range of the techniques labelled as non-randomized experimental methods that provide a scientific alternative to RCTs
  • To consider the strengths and weaknesses of such experimental methods in researching health