All Posts Tagged: 'RAND Corporation'


Distorting RAND

March 19th, 2007 | Category: Teacher Quality

About a month ago, I wrote a long post on the topic of “value-added” measures of teacher effectiveness. With such measures getting a high-profile endorsement from the Aspen Commission on NCLB, I wrote, it was a safe bet that opponents of tying teacher evaluation to student tests scores would be mischaracterizing the conclusions of a [...]