The phrase "are sufficiently effective" is correct and usable in written English.
It can be used to describe the adequacy or capability of something in achieving its intended purpose or result.
Example: "The new marketing strategies are sufficiently effective in increasing our customer engagement."
Alternatives: "are adequately effective" or "are sufficiently impactful."
The group reviews disease screenings, counseling and other treatments to determine if they are sufficiently effective to make the list.
The big question — for investors like Fidelity, for the SEC, and for other mutual funds that may be interested in getting more involved in privately held companies — is whether those procedures are sufficiently effective and, if not, where they are failing the individual investors who park some of their savings in mutual funds.
Although these polymers display perfect performance for many crud oil samples from global, PIs are very selective, that is, not all additives are sufficiently effective for every crude oil [8], and the long molecular chain, large molecular weight and high thermo stability is a serious problem in oil refine process[9].
In most cases, these methods are sufficiently effective that users of modern spectrometer systems do not need to be concerned about their effects.
Demonstrating knowledge acquisition ensures that the educational tools are sufficiently effective for diffusion of knowledge in the relevant user group [ 11].
These papers give us reason to reflect on the question of whether our efforts to prevent surgical site infections are sufficiently effective, and what percentage of infection we should try to achieve as a result of all our preventive measures.
33 34 35 Early proof-of-concept studies have shown that tissue preserving focal therapy in which the treatment is directed at the tumor rather than the whole organ has a low rate of side effects and may be sufficiently effective.
In these cases, the laboratory itself decides whether a test has sufficient 'clinical validity' (ie, is sufficiently effective at measuring what it purports to measure).
In 2012, EU auditors ruled that European aid had not been "sufficiently effective".
But there has also never before been a tool shown to be sufficiently effective or reliable enough to seriously consider conducting human genetic engineering.
These measures were sufficiently effective that medieval sieges were settled more often by treachery, starvation, or disease than by breached walls and undermined towers.
