The phrase "a conventional assumption" is correct and usable in written English.
It can be used when referring to a widely accepted belief or idea that is generally taken for granted in a particular context.
Example: "In many cultures, a conventional assumption is that success is measured by wealth and status."
Alternatives: "a common belief" or "a standard presumption".
Our results point to the need to rethink the conventional assumption that a culture of risk aversion in public sector agencies is a cause of management ineffectiveness and a stumbling block to innovation success.
The conventional assumption that players share a uniform and accurate demand model in game is relaxed by a more realistic model players individually make their subjective demand estimation possibly with errors.
Far more troublesome is the conventional assumption that the recession is a more or less classic business cycle that an infusion of cash through infrastructure projects and tax cuts will turn around.
The results of this and other studies (Keating et al, 2002; Lantz et al, 2005; Caldon et al, 2008; Collins et al, 2009) appear to defy the conventional assumption that high BCT rates arise from a more fully informed group of patients being permitted to choose their own treatment.
For the non-radiative transition process, the conventional assumption of (single) "promoting-mode" is abandoned and a promoting-mode free formula is presented.
The model makes the conventional assumption that once infected with M. tuberculosis, an individual remains infected for life [ 16].
Marketing is something Birds Without Wings will get a great deal more of than Captain Corelli ever did, although the conventional assumption that the latter came from nowhere isn't quite true either.
Washington, he said, forces companies to pay a variety of stakeholders under an implicit threat of legislative or regulatory punishment, rather than the conventional assumption that corporate interests are actively buying up influence.
The posterior distribution of the shape parameter (n = 182, 95% credible interval [16, 482]) of the gamma distribution for the infectious period did not include n = 1; therefore, the conventional assumption that the infectious period is described by an exponential distribution was found to be inappropriate and a more realistic gamma distribution for the infectious period was favored.
The conventional assumption is that patients are admitted to psychiatric institutions because a therapist or family member says they're mentally ill.
