Here's a sample:
"But like so many bright and shiny technology promises, adaptive learning has yet to offer any definitive answers, despite decades of work. Both industry and teachers are even wrestling with exactly what will constitute the “evidence” that so many educators crave. If there’s scant proof that these tools raise test scores, is it worth doing if it makes students more enthusiastic learners, or if it frees up teachers to spend more time teaching to smaller groups? These questions unnerve many, including parents who don’t want their children to get an inferior education as schools work out the kinks in new technology, and school district leaders, who are loath to champion risky projects that could get them in hot water with the school board or on the front page of the local paper."
The full report is located here.