"using a quantitative method" is a correct and usable phrase in written English.
It is often used in scientific writing or business writing when referring to research or analysis that involves numerical data. For example: "This study uses a quantitative method to analyze customer satisfaction data."
In this paper, the morphological characteristics of a bio-model are verified and modified using a quantitative method.
In this article there is described the measurements of output characteristics of a high-speed racing engine which were performed by means of a data-recording system and the detonation combustion was evaluated using a quantitative method.
Using a quantitative method to define this threshold, travellers were defined to be "intensive" based on the amount of time they spent travelling each day.
Adhesion assays were performed using a quantitative method based on a previously described fluorescence measurement system [78].
Fourth, we assessed patient values using a quantitative method.
Proximal segments of the catheter tip were cultured using a quantitative method.
Here we use a quantitative method, widely adopted in the context of information retrieval systems.
Nevertheless, this study is meaningful in that we used a quantitative method to analyze the effect of rhBMP-2 in human subjects.
Studies, which have measured dyspnea appropriately, generally use a quantitative method of self-assessment such as the visual analog scale or a graphic rating scale.
Although the enlarged images (Figs. 4(C) and (D)) present a qualitative way for analyzing the images, we opted to use a quantitative method to evaluate the vessel density over a given area, i.e., vessel area density (VAD).
In a case control study in the Gambia, West Africa, we used a quantitative method to detect the R249S mutation by electrospray mass spectrometry [short oligonucleotide mass analysis (SOMA)] (Lleonart et al. 2005).
