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www-theguardian-com-3177		'Punishment by statistics': the father who foresaw A-level algorithm flaws | A-levels | The Guardian			.html	text/html	1293	122	74	'Punishment by statistics': the father who foresaw A-level algorithm flaws | A-levels | The Guardian But in the end it was a statistics-savvy dad worried about his own son's chances of getting into Oxbridge who correctly predicted that standardisation would result in 39% of students being downgraded, with disadvantaged pupils worst affected. Exams were off and Thanh's teachers were asked to award grades on the basis of mocks and assessments, and told to rank students from best to worst in each subject. He warned the education select committee that 39% of grades between A* and D would be lower than the teacher assessments, and last week he shared his findings with the Guardian. But on Thursday morning Ofqual admitted that nearly two in five (39.1%) pupils in the country saw their A-level grades downgraded from their teachers' estimates. "Ofqual wants to control grade inflation, which is fair enough," said Duong.	./cache/www-theguardian-com-3177.html	./txt/www-theguardian-com-3177.txt