The phrase "array of effective" is correct and usable in written English.
It can be used to describe a variety of effective methods, strategies, or tools in a particular context.
Example: "The team implemented an array of effective solutions to improve productivity and morale."
Alternatives: "variety of effective" or "range of effective".
A definitive analysis of the cost-effectiveness of improving adherence would entail a comparative assessment of an array of effective measures to improve adherence.
An extensive array of effective interventions for the prevention of cancer exists, suggesting that evidence is ready for widespread use.
There is very little regulation of the role of lead director, and the approaches of different firms and best practices in corporate governance evidence an array of effective ways to empower lead directors.
Indeed, as just one example, my colleagues hope to discover new creatures that produce novel molecules that, when tweaked and synthesized in the lab, will replenish our rapidly decreasing array of effective pharmaceuticals.
The magnetic resonance corresponding to the first Mie resonance in the spherical particles is followed by forming a regular array of effective magnetic dipoles, and the structure of the identical spherical dielectric resonators can be designed as an isotropic μ-negative 3D-metamaterial.
Although specific estimates are difficult to calculate, the impact of improving the use of the wide array of effective stroke preventive interventions would be substantial.
The design of intelligent, stimuli responsive nanosystems promises to expand diagnostic and therapeutic options in medicine by making available an array of highly effective, well tolerated platforms that go beyond simple delivery of drugs or imaging agents.
Europe has drug consumption rooms, supervised injecting facilities, medically-supervised heroin maintenance treatment, and a wide array of innovative, effective programs to address drug use.
For instance, the America Invents Act passed last year provides a vast array of cost-effective new tools for both patent applicants and the public to craft clear, high-quality patent rights and more easily resolve disputes.
This array of different but effective solutions confirmed to me something that one of my housemates at university – a talented computer scientist – once told me.
The procedure is one of a wide array of inexpensive but effective medical advances being tested in developing countries.
