The phrase "approach required a" is correct and usable in written English.
It can be used when discussing a specific method or strategy that necessitates a certain element or resource.
Example: "The approach required a thorough analysis of the data before making any conclusions."
Alternatives: "method necessitated a" or "strategy demanded a".
Mr. Payne said the old approach required a huge number of questions, making it unwieldy if each administration was to have all-new questions.
This approach required a habitat map for each scenario based on soil type and land cover, a list of resident species, and an estimate of the suitability of each of 26 habitat classes for every species.
This study also raised two concerns: (1) the overall sensitivity of SAR σ0 to θs was relatively low, and (2) the approach required a high level of accuracy in the estimate of green leaf area level that may not be obtainable with standard optical remote sensing algorithms.
This approach required a huge amount of training data.
Their approach required a considerable amount of effort and knowledge to manually design patterns that were later used to generate grammatical test items (Chen, Liou, & Chang, 2006).
Our previous approach required a very aggressive maneuver, therefore we looked into alternative solutions to accomplish a task as passing through a very narrow gap without having to fly at high speed.
However, this approach required an organic chemistry laboratory with highly qualified personnel.
This approach required an expert modeler proficient in MD force field parametrization, system building, and software.
An organic approach requires a radical change in thinking.
But this individualistic approach requires a masterful hand to keep the result from turning into kitsch.
However, this approach requires a willingness to abandon the "ready, fire, aim" approach to problem solving.
