Sentence examples for a non-experimental study from inspiring English sources

Second, epidemiological study-design methods are sometimes the most appropriate to answer molecular questions, particularly when using techniques such as expression microarrays or proteomics to establish differences among cancer subtypes or biomarkers in the setting of a non-experimental study.

A non-experimental study of oral anticoagulation therapy initiation before and after national patient safety goals.

Many well-known threats to internal validity do not apply to a non-experimental study, e.g., history, maturation, instrumentation change or interaction of treatment and construct.

As this was a non-experimental study, our results may be affected by unmeasured confounding.

Since this was a non-experimental study involving only collection of animals, no ethical permissions were required.

A non-experimental study design was used, where all participants were asked to complete the same questionnaires.

We utilized survey research, specifically, a non-experimental field study design, since it is a useful tool for studying sensitive opinions, attitudes, preferences, and the behavior of individuals (Gall et al. 1996).

A third limitation is that as with any non-experimental study the associations observed may be due to residual confounding rather than a causal relationship between income and mortality.

In contrast, the potential of confounding confronts basically any non-experimental study.

Finally, as in any non-experimental study, we are unable to state conclusively that the empiric use of a β-lactam with a fluoroquinolone is the cause of increased mortality in this cohort.

A non-experimental survey design study was conducted between 2008 and 2012 to identify students' attitudes.