Sentences with phrase «rigorous studies typically»

International comparisons should look at information from all countries and adjust for factors that affect student performance, even though such rigorous studies typically face their own challenges, including collecting the requisite data.

Not exact matches

Preclinical studies of vaccine candidates have typically shown post-infection virologic control, but protection against acquisition of infection has previously only been reported using less rigorous viral challenges.

«Al Gore has studied the ClimateGate emails with his typically rigorous eye and dismissed them as mere piffle: Question: How damaging to your argument was the disclosure of e-mails from the Climate Research Unit at East Anglia University?