The phrase "a decrease of effectiveness" is correct and usable in written English.
It can be used when discussing a reduction in the ability or efficiency of something, such as a process, method, or product.
Example: "The new policy led to a decrease of effectiveness in our team's performance metrics."
Alternatives: "a decline in effectiveness" or "a reduction in effectiveness."
The discrete holes, arranged in rows aligned in the pitchwise direction, gave rise to relative maxima of film-cooling effectiveness downstream of each row, followed by a marked decrease of effectiveness along the gap between adjacent rows of holes.
An MDI is defined as concurrent use of drug(s) with methadone that may result in an increase or decrease of effectiveness and/or adverse effect of methadone.
Furthermore, 200 discriminant features were selected by means of t-test reduction (a higher number of NMSE blocks means a decrease of the classification method effectiveness).
In these multivariate analyses, an increase in RSDI score of 1.0 SRM (22.3 points) was associated with an increase of nearly 2.5 days of restricted activity per month, a decrease of >4% in job effectiveness, and an increase of >$78 spent on rhinitis medications per year.
We found that reducing R0 resulted in an increase in the effectiveness of confinement to home and a decrease in the effectiveness of school closings.
Broadly speaking, any mechanism that yields the restoration of activity in the PI3K, MAPK, AKT or mTORC1 pathways, or increased activity of the ER pathway, will restore the proliferation-inducing and/or apoptosis-opposing effects of these pathways, and will yield a decrease in the effectiveness of PI3K inhibitors.
During the same period there was a slight decrease of cost-effectiveness studies using "life years gained" as measure of benefit (47% in 1995 2000 vs. 30% in 2001 2005, p =.017).
Unfortunately, the user gets generic information, which is not individualized according to his/her special needs and wants, leading to a decreased effectiveness of the service and finally to a lower acceptance rate by the users.
Previous results of suspension tests or carrier assays had shown that a higher organic load resulted in a decreased effectiveness of the biocide [ 35- 37].
We speculate that the chromosome missegregation we observe in the vfl2 mutant reflects a decreased effectiveness of acentriolar spindles that self-assemble in this mutant.
