The phrase "a powerful effect of" is correct and usable in written English.
It can be used when discussing the impact or influence that something has on a particular situation or outcome.
Example: "The study revealed a powerful effect of social media on public opinion."
Alternatives: "a significant impact of" or "a strong influence of".
And if you put them both in the equation, you see a powerful effect of both.
This is an exceptional unofficial portrait, unusually boldly painted, which creates a powerful effect of familiar and living likeness.
Additionally, there is a powerful effect of genetic background regulating susceptibility to nephropathy; the 129 strain is susceptible to kidney disease, whereas the C57BL/6 strain is resistant.
In our analyses, we observed a powerful effect of changes in cholesterol concentration related to diet on mortality from coronary heart disease in men and women.
There is substantial evidence of a powerful effect of family background and childhood disadvantage (assessed by parental education, income, social class and other household characteristics) on educational achievement [ 37, 38].
While previous studies have shown a powerful effect of IFG and/or IGT on the subsequent development of diabetes diagnosed with glucose values (52– 54), recent reports have demonstrated a graded risk of diabetes development at glycemic levels well within what was previously considered "normal," i.e., FPG <100 mg/dl (5.6 mmol/l) and A1C <6.0% (55, 56).
Other clinical researchers have gone further and shown that multiple sessions of attentional training can have a powerful effect on symptoms of GAD (e.g. Amir et al., 2009) providing additional support for the critical role of processing biases.
Last weekend, I watched this brilliant black pop star having a powerful effect on thousands of people on the BBC iPlayer.
At Riverdale, the film seemed to have a powerful effect on many of the staff; one teacher who came up to Randolph afterward had tears in her eyes.
His Eclogues exerted a powerful effect on poets of the Renaissance, including Dante, Petrarch, and Giovanni Boccaccio in Italy; Pierre de Ronsard in France; and Garcilaso de la Vega in Spain.
Wohlstetter's argument that the U.S. should achieve global supremacy through strategic nuclear weaponry had a powerful effect on the thinking of the nascent movement of American neoconservatives.
