The phrase "a very modest effect" is correct and usable in written English.
It can be used to describe an outcome or impact that is small or not significant in magnitude.
Example: "The new marketing strategy had a very modest effect on sales, resulting in only a slight increase in revenue."
Alternatives: "a slight effect" or "a minimal effect".
Apelin-36 blocked cell membrane fusion mostly due to steric interference, with only a very modest effect on receptor internalization.
These arguments are prevalent, even in the face of evidence that high-skilled immigrants often experience under-employment, especially in their early years in Canada, and that immigration has a very modest effect on demographic age structures.
As for the impact on tuition, Beckman said the expansion will have a "very modest" effect.
Our results indicate the eIF5A has a very modest effect on protein synthesis under normal culture conditions.
Cells were treated with an equivalent concentration of nickel ions as an additional negative control; there was only a very modest effect of exogenous nickel upon zinquin fluorescence.
It is known that the development of the common disease is caused by the accumulation of common genetic variants, and each of this variant has a very modest effect on the risk (for example OR of <1.2).
The first lag seems to have a negative and very modest effect on population and again a negative, but larger effect on house prices.
However, titling status showed no effect on access to these informal sources of credit and very modest effect on mortgage credits (only 4%% of the treated households had ever received a mortgage loan).
Hence SNPs that show very modest effect might have failed to be identified through this study.
Interestingly, it was recently demonstrated that inactivation of the Nox2 gene in the mutant Sod1 mouse model for amyotrophic lateral sclerosis significantly increased survival when mice were of mixed genetic background [37], but had very modest effect on the inbred C57Bl/6 strain [38].
The very modest effect observed on BDI was somewhat surprising.
