"prevalent method" is correct and usable in written English.
You can use it when you want to describe a way of doing something that is widely used or common. For example: The most prevalent method of communication nowadays is texting.
Thus, manual segmentation still remains a prevalent method.
The Masters and Johnson therapy style has since fallen out of fashion and long-term therapy has become the prevalent method of treatment again.
While the Linnaean system remains the most prevalent method of categorizing plants, scientists are now developing a new classification based on DNA studies.
These innovations allowed information to be manipulated in a more flexible, natural manner than the prevalent method of typing one of a limited set of commands.
Catalytic chemical vapor deposition is the prevalent method for chirality selective synthesis of SWCNTs.
Distance learning has become a prevalent method of delivering education to all types of student demographics.
One of the most prevalent methods for weakening public sector unions is the practice of contracting out or "privatizing" specific government services.
For most of the past few centuries, there were two prevalent methods of enrichment in Africa: colonial plunder and indigenous kleptocracy.
Analysis of results reveals that the advocated approach with/without RFB improves the system performance significantly in comparison to the prevalent methods.
The prevalent methods of cooling thermoelectric devices are categorized and based on published experimental data, their contribution on the overall conversion efficiency of thermoelectric generators is quantified.
Demolition and landfilling are prevalent methods to remove these abandonments while generating large amounts of construction and demolition (C&D) debris.
