The phrase "a more powerful method" is correct and usable in written English.
You can use it when comparing the effectiveness or strength of different methods or approaches.
Example: "In our research, we discovered that a more powerful method for data analysis significantly improved our results."
Alternatives: "a stronger approach" or "a more effective technique."
A three-year study conducted by research company Millward Brown into the effectiveness of national newspaper advertising shows that the combination of television and national newspaper advertising is a more powerful method of building brand image than either television or newspapers alone.
The company said it would be a more powerful method than just knowing the users' age or martial status.
Small variations will expose the growth or wasting of ice caps, Tapley says, a more powerful method than measuring their heights with aerial surveys.
JD goes beyond pure Krylov-space techniques; it cleverly expands its search space, by solving the so-called correction equation, thus in principle providing a more powerful method.
After the apparent discovery of water on a planet outside our solar system was met with skepticism 3 months ago, an international team of researchers now claims to have found water on a different world using a more powerful method.
A complementary, and arguably a more powerful, method is to strengthen the design of UI programs by introducing financial incentives for (re)employment via unemployment insurance savings accounts (UISAs) – an approach that also minimizes bad governance and political risk.
These data would have enabled us to use free-responses ROC (FROC) analysis to evaluate observers' performance which is a statistically more powerful method (Krupinski, 2010).
Then people realized, "Wait, there's a whole lot more that we can do with this medium," and what they did turned out to be a far more powerful method for storytelling.
In contrast, the 16,608 women enrolled in the new study--part of the Women's Health Initiative (WHI), a massive program set up by the National Heart , Lung and Blood Institute--were assigned to receive drugs or placebo by chance, a much more powerful method.
This may explain its less stable classification performance shown in Figure 2. Due to its motivation from the theory on marked point processes, our theoretical inference (not shown in this paper) suggests sMPAS may turn out to be a much more powerful method for data of larger sample sizes.
There is an even more powerful method called Hamilton's equations.
