These handouts suggest the type of research study that should be used to answer a specific type of EBM question and the level of evidence those studies should be.

The Well Built Clinical Question - University of South Alabama Biomedical Library - Summary of the type of question, the suggested best type of study you will need to answer the question, and the appropriate level of evidence the specific studies should be.

Five Steps of EBM - Robert B. Greenblatt, M.D. Library Medical College of Georgia - Another perspective on seeking information to answer a specific type of EBM question, the type and level of evidence those studies would require.