Words similar to observational

Example sentences for: observational

How can you use “observational” in a sentence? Here are some example sentences to help you improve your vocabulary:

Because randomized cancer screening trials are very expensive and sometimes difficult to implement, observational cancer screening studies can play an important role in estimating the efficacy of cancer screening during early phases of evaluation of the screening test.
However the standard methodology for observational cancer screening studies has various limitations.
Returning to the first-order, normative question, we can now ask to what extent should physicians rely on RCTs as opposed to clinical experience or observational studies.
Moving right along, are these darn guys running for president now more transparently phoney than usual or is it just me and my razor-keen observational abilities?
In summary, the present observational, non-randomized study confirms the high incidence and mortality of atrial fibrillation in chronic dialysis patients.