"using a tiered approach" is grammatically correct and can be used in written English.
Example: The company implemented a new marketing strategy, using a tiered approach to target different demographics.
Seventeen modules were developed using a tiered approach to web-based learning which in combination with classroom-based activities, aim at addressing design engineering know-how.
Using a tiered approach to monitoring and a wide range of tools, the DAMOS program has monitored short- and long-term physical and biological effects of disposal at designated disposal sites throughout New England waters.
But companies are increasingly using a tiered approach.
Safety assessments were summarized using a tiered approach [ 14].
Data collection and quality control was organised using a tiered approach.
Although imperfect, by using a tiered approach for evidence classification, more information was available to judge the many interventions that originally were classified as insufficient based on the U.S. Community Guide criteria.
The tree uses a tiered approach that seeks to screen out combined exposures of low concern and exposures known to be a concern based on the effects of individual chemicals.
Opinions are divided on whether two or three regions suffice, whether regions should be coding or non-coding, whether one should or should not use a tiered approach, and ultimately on which regions are to be preferred and how the data are analysed, and the baseline for comparison has been ill-defined [8], [26] [28].
We used a tiered approach to assess the integrated functioning of the immune system in the test fish (Galloway and Handy 2003; Zelikoff et al. 1994).
To enhance the speed of the alignment step, we use a tiered approach instead by dividing our alignment process into two steps: a fast initial assortment of the reads followed by a complete gapped alignment.
A possible way forward to overcome the current gaps in knowledge that could act as obstacles to the definition of a plausible regulatory approach to chemical mixture risk assessment would be to use a tiered approach as follows: (a) Use dose addition to calculate a hazard index taking into account interactions (eq. 16) as default option for hazard quantification and risk assessment.
