There are many different types of research evidence used to assess medical treatments. These research approaches vary in a number of key properties – size of the study, whether they are performed under ideal conditions or real-world conditions, whether they test a treatment for a specific condition or for safety, whether the patients are blinded to the treatment received, etcetera.
The science of testing any medical treatment is complex and each approach provides a specific level of insight depending on the design of the investigation. When assessing evidence, the highest quality evidence that is available is considered first as it is generally believed to provide the most robust information. The reliability (or "robustness") of clinical evidence broadly relates to the risk of bias as a result of the study design and its pubication.
In this section you will find information on the different types of research evidence available for homeopathy as used in clinical practice. This includes: