http://www.nytimes.com/2012/01/16/education/study-on-teacher-value-uses-data-from-before-teach-to-test-era.html
This article cautions reading too much into the Chetty study, partially because some of the data relies on a pre-NCLB use of standardized testing, when accountability measures didn't put so much pressure on teachers and students.
This article cautions reading too much into the Chetty study, partially because some of the data relies on a pre-NCLB use of standardized testing, when accountability measures didn't put so much pressure on teachers and students.