For drug users of most levels, she noted, “Cost, effectiveness, and availability are far more important than the legality.”
Ever since it was created in 1965, politicians and researchers have studied and debated its effectiveness.
But the most objective measure of the technology gap can be seen in the effectiveness of their online outreach.
In other words, the system had its points-so long as Americans were willing to trade representativeness for effectiveness.
The 1905 guide An Elementary Class-Book of Practical Coal-Mining touts its effectiveness in digging mine shafts through quicksand.
Blank ended his argument in a voice that left no doubt of his own faith in the effectiveness of his logic.
The summary of a lesson, given by the class, is a test of the effectiveness of instruction.
It is a new experience of the beauty and effectiveness of simple grass.
But this result only added to the effectiveness of the scene, though it was painful.
A variation in the depth of color of these lines adds to the effectiveness of the design.
late 14c., from French effectif, from Latin effectivus "productive, effective," from effect-, stem of efficere (see effect (n.)). Effectively in the sense of "actually" is attested by 1650s. Related: Effectivity.