Jeanne Allen, the center's president, issued a statement saying that the Stanford report «fails the most important and most objective test of student data analysis through their use of virtual twins to replicate real student growth by creating «straw men» subjects.» (articles.latimes.com)
«Virtual twins share environments but not genes,» she says, «and that makes them the inverse of monozygotic twins reared apart.» (discovermagazine.com)