Study Designs

A webpage describing the various types of study designs and how they rank in terms of evidential strength.

Read the guide

What the guide offers

This webpage presents in a concise and approachable way:

  • The most common study designs.
  • How they compare in terms of the evidence they provide. 

Who created it

This webpage is provided by Ascension Wisconsin Library Services, a division of the non-profit Ascension Health System. 

They state that most of the page is based on material created by Bev Sedlacek, Library Director at Nebraska Methodist College and Nebraska Methodist Health System, and used with permission.