All Posts Tagged: 'Tim Sass'


Are Value-Added Effectiveness Measures Good Enough to Use for Compensation Decisions?

December 5th, 2008 | Category: Teacher Quality

There’s a great deal of attention being given to using test scores to measure teacher performance these days, recent announcements from the Gates foundation ensure this will be high on the national agenda in coming years. But recent studies show that the value-added measures contain significant amount of error. Which raises questions: how can imperfect [...]