The phrase "assumes in effect" is correct and usable in written English.
It can be used when discussing an underlying assumption that is implied or understood in a particular context.
Example: "The theory assumes in effect that all variables are constant, which may not always be the case."
Alternatives: "implies essentially" or "takes for granted".
But one is still assuming, in effect, that most of the detailed information about the evils found in the world is completely irrelevant to the argument from evil, and a little reflection brings out how very implausible this assumption is.
In general earlier analytic theories neglected the modifications to the (intrinsic polar or externally applied) E-field caused by the charge separation and the resulting dielectric shielding, assuming in effect very low carrier densities.
To formulate the argument from evil in terms of the mere existence of any evil at all is to abstract to the greatest extent possible from detailed information about the evils that are found in the world, and so one is assuming, in effect, that such information cannot be crucial for the argument.
Since recessivity is generally believed to be the most likely tpye of gene action for newly arising mutants, dominance of the wild type over the mutant A1 will be assumed in the effect on gamete fusion.
A food, one assumes, in which no ill effects have occurred to any of the many Scots who have partaken of this traditional culinary curiosity.
A 1.6-km work zone with a 24 h/day four lane closures is assumed herein in effect between Walnut Hill Lane and Royal Lane until the construction is complete.
This statement is incorrect – what is assumed (in a fixed effect analysis) is that the true treatment effect expressed as a risk difference was the same in all trials.
We also fitted models where no residual polygenic effect was assumed in order to investigate the effect on parameter estimates when no assumptions were made about the residual familial clustering of BC.
A comparison with experimental data indicates that, contrary to what assumed in the literature, the effect of diffusional limitations cannot be properly described by assuming the diffusion coefficient to be inversely proportional to the relaxation time (ξ = 1).
Taken together, existing studies suggest that, in contrast to the forbidden-fruit effect assumed in research, adolescents' use SEIM less often than adults do.
