The phrase "a powerful test" is correct and usable in written English.
It can be used when describing a test that has significant impact, effectiveness, or intensity in evaluating something.
Example: "The new software update includes a powerful test that can accurately assess the system's performance under stress."
Alternatives: "an impactful test" or "a robust test".
A series of simulation experiments suggest that RareIBD is a powerful test that outperforms existing approaches.
This illustrates that the oocytes may form a powerful test system for drug screening and investigation of complex drug interactions.
With President Vladimir V. Putin of Russia now openly intent on a military showdown over control of Crimea, the government faces a powerful test of Ukraine's territorial integrity.
It is demonstrated with examples how the adaptation can be used for a sample size reassessment and for designing a powerful test statistic.
Second, the fund-firm connection measure we develop captures a fund's aggregate information advantage relative to a traded firm from all possible information channels; hence, it provides a powerful test to detect informed trading.
Such an appeal would create a powerful test of wills between the cardinal and the priest, who was removed as director of fund-raising for the archdiocese and as pastor of St. Raymond's parish in the Bronx in May 2002.
PET is a powerful diagnostic test that is having a major impact on the diagnosis and treatment of disease.
When the results were published in the medical journal Lancet in 2002, it suggested a powerful testing method was at hand.
Fiction can be a powerful testing ground for hypotheses and for empathetic filling of history's gaps – which is why there have been several recent fictional versions of Mrs Blake.
As such, the fusion of VR, kinematic tracking, and EEG offers a powerful testbed for naturalistic neuroscience research.
The model proved to be a powerful testbed for preclinical drug screening of candidate neuroprotective agents (Stefanova et al., 2008; Schapira, 2008).
