The phrase "a large and consistent" is correct and usable in written English.
You can use it to describe something that is both significant in size or quantity and stable or uniform in nature.
Example: "The study revealed a large and consistent increase in productivity among employees who worked remotely."
Alternatives: "a significant and steady" or "a substantial and uniform".
It did, though, yield a large and consistent paycheck.
It has been three weeks since Democrats gathered for their convention, and Hillary Clinton still holds a large and consistent lead in national and battleground state polls.
Mortgages made before the financial crisis are a large and consistent source of losses for the bank.
She stressed, however, that with Puerto Ricans accounting for a majority of the museum's 20-member board, a third of its staff and a large, and consistent, portion of exhibitions, there was nothing to fear.
This allows the EPA to point to what appears to be a large and consistent supporting body of evidence.
If, in fact, you are comfortable in your basic understanding and beliefs about anything -- based on some combination of life experience and a large and consistent body of evidence -- you need to be afflicted with the latest conspiracy theory.
Yet in the twenty-eight years since then he has gradually constructed a life of large and consistent accomplishment that has earned him a stature that, in its way, is as impressive as his brothers'.
A large, broad, and consistent body of evidence shows that moving middle and high school bell times later gives more students more (and better) sleep and reduces rates of sleeping in class, mood swings, depression, stimulant and illegal drug use, and car crashes, as well as suspensions, tardies, absences, and drop-outs.
When the distractors within a display were heterogeneous, and the target color varied from trial to trial there was a larger and more consistent increase in threshold.
"Providing meaningful reference points for award amounts, as opposed to only providing arbitrary anchors," the team concludes, "had a larger and more consistent effect on judgments". Not only are the ultimate awards closer to the meaningful anchor, but they are also more predictable, being more tightly clustered around the anchor when that anchor is meaningful and not arbitrary.
Across all measures, autonomy had a larger and more consistent effect on well-being than wealth.
