The jury is still out – and no doubt they will have new evidence with this year's release in reaching an assessment of the validity of Pisa.
And if there are going to be a million new paths to sustainability for a million different artists, we'd best stop bickering amongst ourselves about the validity of each and every path these artists are stumbling down – or at least step out of the way if we can't lend a hand.
The hearing is expected to go ahead in a fortnight and Mr Justice Brian Kerr said his ruling did not affect the current validity of the secretary of state's decision.
Helen Belcher, secretary of the Parliamentary Forum on Gender Identity, said GRCs, while an attempt to recognise the validity of gender transitions, often make things more difficult for transgender people.
"There's not a lot of face validity in that number of people having access – it seems high".
Williams launched a second challenge against the validity of the relevant provisions of this act and the payment of money to Scripture Union Queensland under the funding agreement.
Labor's finance spokesman, Tony Burke, said the legislation introduced by the former government after the first Williams ruling was "an interim measure designed to ensure the validity of funding for a large number of commonwealth programs".
While Google's decisions will seem reasonable enough to most, in the absence of real information about how representative these are, the arguments about the validity and application of the RTBF are impossible to evaluate with rigour.
Much of the data cited by student journals has no statistical validity.
The Court also upheld the validity of the designation decision and the direction decision.
Since scientists began to report a slower than expected rate of warming during the last decade, climate sceptics have latched on to the apparent dip in order to question the validity of climate models.
