Sentence examples for that are observational from inspiring English sources

The chapter provides recent studies, which are focusing on cardiovascular risk factors, such as alcohol, smoking, physical activities, and on coffee that are observational and include relatively large sample sizes.

In contrast to other animal studies that are observational by nature, this is the only study that used specific blocking of mediators, albeit in vitro.

— mixed with laconic American voices that were observational and internal all at once, like Montgomery Clift in "Red River" meets Fassbinder's "Love Is Colder Than Death".

Both use experiment-like tests of effectiveness but must rely heavily on evidence that is observational, experiential, or essentially systematic trial and error.

That's observational science.

That is: (observational) evidence is prior to theory within the context of justification.

It was therefore decided to include the next best available evidence in the hierarchy of evidence, that is, observational studies and retrospective case series.

However, it is important to note that these are observational data, that patients were not randomized to steroid therapy, and that little or no information is available to assess baseline risk in the treatment groups.

We therefore had to constrain the possible investigations to methods that are purely observational or use patient sera that were obtained for routine diagnostics.

The third inconvenient truth is that all of these studies are inherently problematic in that they are observational studies rather than randomized controlled trials.

The problem with most of the research is that they are observational studies, which can be confounded by other factors and so can show only an association between endurance cycling and longevity.