The phrase "assumptions exist" is correct and usable in written English.
It can be used when discussing the presence or acknowledgment of certain beliefs or premises that are taken for granted in a particular context.
Example: "In any scientific study, it is crucial to recognize that assumptions exist that may influence the results."
Alternatives: "assumptions are present" or "assumptions are made".
These three simple questions generate invaluable insight into what people are thinking, what assumptions exist, what folks are scared about, or excited about, and how we characterize success.
Particularly when violations of the underlying theoretical assumptions exist, consideration of demographic processes (i.e. vital rates, species specific life history strategies and dispersal) and genetic structuring will allow for more appropriate conservation recommendations.
However, little or even conflicting assumptions exist about their putative import and functionality inside the cells.
I guess I am still not sure as to why, truly, these assumptions exist, but I have no doubt that our fetish with money and the dangerous idea that "net-worth = self-worth" is tied to them.
In a cryobiological context, this is much less of a concern but in case it is, special techniques (with their own sets of assumptions) exist to correct for some types of motion artefacts [86], [87] or to quantifiy motion directly (e.g. [88], [89]).
Two seemingly opposing but not necessarily exclusive assumptions exist regarding the mechanism by which XYR1 may govern cellulase expression.
Given that some visual suggestion of potential violations of the linear model assumptions existed, we also produced bootstrapped confidence intervals for the between group differences for each outcome measure.
There are some documented cases, however, where exceptions to this assumption exist.
13 Approaches to estimating efficacy without making this key assumption exist, and are becoming increasingly popular.
Statistical tests of this assumption exist but tend to have low power and therefore not commonly conducted in practice.
As much diversity exists in datasets, more amount of methodology, theory and assumption exists in order to reflect that diversity.
