The phrase "an improved methodology" is correct and usable in written English.
You can use it when discussing a method or approach that has been enhanced or made more effective in some way.
Example: "The researchers presented an improved methodology for data collection that significantly increased accuracy."
Alternatives: "a refined approach" or "an enhanced method."
It also provides an improved methodology respect to direct Monte Carlo sampling of quotations over historical ranges, which is effective for repeated design optimization.
Herein, we describe an improved methodology.
Here we apply an improved methodology that allows quantitation of the AMP fraction that arises particularly from tRNA-dependent aa-AMP hydrolysis.
That study developed an improved methodology for undertaking a monetary valuation of mortality impacts from air pollution by using the value-of-life-year-lost approach.
An improved methodology has been proposed for PLIF imaging of supersonic flow using an acetone tracer.
An improved methodology has been developed to characterise running-in and steady-state wear processes.
The 2012 edition of The State of Food Insecurity in the World presents new estimates of undernourishment based on a revised and improved methodology.
However, the number of people suffering from chronic undernourishment is still unacceptably high, and eradication of hunger remains a major global challenge.2012 presents new estimates of undernourishment based on a revised and improved methodology.
Officials involved in the study say improved methodology and a bigger sampling of data have made it more accurate than the earlier one.
More computing power also means improved methodology.
This paper rebuts claims published in this journal [33] as well as elsewhere [31,32,34]: (a) that improved methodologies for extreme value analysis (EVA) developed over the past 60 years are invalid; (b) that EVA methodologies should revert to the status quo ante 1939; and (c) that, consequently, all regulations and codes of practice for extreme winds should be reassessed.
