Sentence examples for often difficult to ascertain from inspiring English sources

The effect size is small and often difficult to ascertain in individuals.

Work in the past decade has more fully documented the mutational landscape in lymphomas, but the impact of these genomic lesions is often difficult to ascertain.

In animal models it is relatively easy to demonstrate the therapeutic effectiveness of acupuncture, whereas in controlled clinical studies, it is often difficult to ascertain the specific effect of treatment.

However, the virus is not bound by vows of fidelity and behavioral characteristics of sexual partnerships are often difficult to ascertain due to recall bias and willingness of some persons to report sensitive behaviors such as concurrent partnerships.

"KII upper level health official" Numbers on waiting lists were also often difficult to ascertain.

It is often difficult to ascertain how long a hole has been present.

Sampling approaches are often difficult to determine.

Physical access is often difficult to determine.

Good quenas are often difficult to find.

Naturalism in metaphysics has been on the ascendancy for some time, though it is often somewhat difficult to ascertain exactly what the position amounts to.

The difference in patient-reported outcomes between study arms can often be difficult to ascertain in randomized controlled trials (RCTs) using a parallel design because of wide interindividual variations in baseline characteristics and how patients interpret the outcome measures.