Sentence examples for they were observational from inspiring English sources

The problem with these studies was that they were observational: the subjects chose their diets and were simply observed.

They were not RCTs (excluded if they were observational studies, case studies or meta-analyses).

Many studies stated they were observational, but in actual fact incorporated an experimental or 'open-label' element to them.

Studies were excluded if: They were not RCTs (excluded if they were observational studies, case studies or meta-analyses).

Primary studies will be excluded if they were observational studies or before-after studies with historical controls.

Studies were excluded if they were observational or they included patients who had undergone liver transplantation or were anti-human immunodeficiency virus (HIV -positive.

"But I'm laughing inside all the time," he protests, adding: "I think most comedians, if they are worth anything, especially if they're observational comedians, are quite serious, because you have to analyse your environment to opine effectively".

Foremost, they are observational and all the results need to be interpreted with care.

Second, it is important to take into account the volume of the data and the fact that they are observational.

Because they are observational only, the ratings may be subject to parental bias compared with more objective measures (e.g., grades, number of play dates).

Whilst these studies involved many women and support a benefit from treating Candida, they are observational rather than randomized trials [ 27].