The phrase "achieved an effect" is correct and usable in written English.
It can be used when discussing the outcome or impact of an action, decision, or event.
Example: "The marketing campaign successfully achieved an effect that increased brand awareness among consumers."
Alternatives: "produced an effect" or "created an impact."
As with Mr. Richards's meltdown, hecklers have in some cases achieved an effect that goes beyond the disturbance of one night's show.
But if the attacks aimed to disrupt life and sow mistrust and confusion, they achieved an effect.
His drawing for wood-block prints was characterized by the use of powerful and vivid lines that achieved an effect of exaggeration reminiscent of the style of his contemporary Sharaku.
By the use of special papers, improved press methods, and special inks, he achieved an effect of almost glaring contrast, an effect heightened by his preference for emphasizing the typographer rather than the illustrator or the engraver.
A year ago, they achieved an effect called superwicking by which the texture of a material forces water to flow upward on metal surfaces by etching them using extremely fast, quadrillionth of a second, high-energy laser pulses.
Thus, the present study achieved an effect size substantially larger than recent studies of similar design.
It was as if their interest lay solely in achieving an effect with an object.
I use the word "dreamed" advisedly, because Brave New World - gulped down whole - achieves an effect not unlike a controlled hallucination.
Above all, he was a master colorist, able to mix green, blue, rose and yellow in one outfit to achieve an effect that was artistic and never garish.
But there's a problem in departing from the literal truth to achieve an effect - in the worst case, melodrama, where you make someone cry.
One of the things I've been taking from Orwell is how little you have to say to achieve an effect.
