“Nor, for the same reasons, does he have to rely on letters of recommendation from others to validate his claims, as his opponents do for theirs.”

“The ballot slips had to be signed to validate the vote.”

“This study is based on routinely collected data on NHS hospital admissions, which we have not been able to validate.”

“And the ability of those programmes to create C, D and Z-list stars who have an afterlife in tabloid newspapers in turn validates them.”

“Successful completion of calibration verification surveys validates the analytical measurement range.”

“It validates the most basic human instinct to return to our primordial source of warmth, comfort, security.”

“Most users click the 'Skip the Introduction' link, further validating the uselessness of flash screens.”

“The stability of DNA when held in a suspension is another important factor in validating the method.”

“Emphasis was placed on validating the performance of the aerobrake subsystem.”