The phrase "made more certain" is correct and usable in written English.
It can be used to express that something has become more firmly established or definite. For example: "Her success as an artist was made more certain after her painting achieved international recognition."
Why do that when you can make more certain and higher profits in pay-day lending, bookmaking or the drinks business?
"While it might temporarily boost the stock price, it would, in our opinion, simply hasten and make more certain the ultimate end game".
Given the fact that health is, by its very nature, really uncertain, people are willing to invest money to make more certain its effects on their pocketbooks.
It is almost the notion that a collaborative rigour or a second person somehow increases the validity but you could argue that what it might do is take you further down a particular perspective... so all you are doing is making more certain that you are up a creak.
For recreational anglers, that's a general rule, and it is made more specific for certain fish, which have minimum length restrictions.
ANFIS in the training phase can be made more efficient by certain preprocessing steps.
Our study design, by contrast, detected those patients colonized or infected by an organism with preexisting third-generation cephalosporin resistance, a phenomenon made more likely by certain hospital events or antimicrobial drug exposures.
For another, the volumes that have been published are written entirely from the point of view of a child, a fact that releases him from the obligation of explaining, or making more nuanced, certain of their seeming judgments.
However, stressed cells still continue to make more of certain proteins that help them to combat stress.
But the fact that Lynch encouraged Comey to keep quiet is likely to have made Comey more certain that he needed to disclose.
All participants had completed a formative career planning exercise at medical school, which may have made them more certain about their choices than other doctors.
