The phrase "prove a link" is correct and usable in written English.
It can be used when discussing evidence or arguments that establish a connection between two or more concepts, ideas, or entities.
Example: "The researcher aimed to prove a link between diet and mental health in her study."
Alternatives: "establish a connection" or "demonstrate a relationship."
The appeals court said prosecutors had failed to prove a link between him and the crimes committed by his subordinates.
The new study's authors acknowledged that it did not prove a link between caffeine and sleep problems.
"There's no way we can prove a link, but we are scared," said Syanan Gu Malin, a housewife with two young girls.
While the results do not prove a link between the change in guidelines and the narrowing of the gap, Dr. Pan said they provided support for the practice.
The president and his secretary of state had been huffing and puffing to prove a link between Saddam Hussein and Al Qaeda.
Bill Paxton plays Jack Thompson, the campaigning Florida lawyer, who was determined to prove a link between violent crime and people who played the game.
Yet no study has conclusively proved a link between 9/11 and the development of cancer in people who were at Ground Zero during and immediately following the attack.
The decision opens up the possibility that police and prosecutors could follow a similar route in the Pakistan match fixing case, although lawyers have warned of the difficulty of proving a link with actions on the pitch.
The report included a dissenting opinion from Renaud Lachance, Charbonneau's co-commissioner and former Quebec auditor general, who said testimony had not proven a link between political contributions and the awarding of public contracts.
Cosla, the Convention of Scottish Local Authorities, published a new report by the sector's advisory body, the Improvement Service, which said there was no evidence proving a link between teacher numbers and attainment.
Now, however, "experts are coming up with hard data that proves a link between employee engagement and financial performance".Despite the statistical ambiguity, Denis Duverne, the CFO of Axa, a French insurance group, is convinced there is a direct link between engagement and the bottom line.
