The phrase "a method that was" is correct and usable in written English.
It can be used when referring to a specific method that existed or was utilized in the past.
Example: "The researchers implemented a method that was proven effective in previous studies."
Alternatives: "a technique that was" or "an approach that was".
The board responded by embracing a method that was different from any of those developed by actuaries, Mr. Verlautz said.
It is a generalization of a method that was developed for the classical problem.
They began to clean the surface with a laser, a method that was determined to be the safest for the monument.
Trujillo had, in effect, killed him, Antonio thinks, "with a method that was slower and more perverse than when he had his prey shot, beaten to death or fed to the sharks.
In recent years, at a time when nuclear construction was in the deep freeze, the Nuclear Regulatory Commission and the industry created a method that was supposed to simplify future planning and construction.
For many years DNA was sequenced by a method that was developed by Frederick Sanger in 1975 and used to sequence the first human genome in 2003, at a probable cost of at least $500 million.
Either these artists blindly assumed that a method that was "scientific" must be allied to social progress, or the political posturing was actually an alibi for aestheticising the predicament of the working class.
And the rooftop tactic recalled a method that was used to voice anti-government sentiment three decades ago, during the opposition movement that ultimately succeeded in ousting the shah of Iran.
This study presents a method that was developed in collaboration with the City of Quebec to systematically assess the ecological value of wetlands within its boundaries.
The optimization method employed is a tailored version of the surrogate management framework, a method that was developed previously for expensive functions with little or no gradient information.
Dr McElwain, therefore, picked a method that was at once less direct in its estimate of CO2 levels, and more direct in its estimate of the effects of those levels on plants.Plants live by photosynthesis.
