Expert opinion and evidence

“The distinction between expert evidence and expert opinion is similar to the distinction between the results of a research study and the authors’ conclusions, which include interpretation of the results. If an expert offers an opinion (a conclusion) and does not clearly describe the basis for that opinion — that is, the supporting evidence — it is not possible to know what the evidence is or how trustworthy the opinion is.”

– Schünemann Holger et al (2019)

Schünemann Holger J, Zhang Yuqing, Oxman Andrew D. Distinguishing opinion from evidence in guidelines


More on how we can all be biased here. Or come and join Sara on an online course to discuss and debate issues like this in a safe space.