Value-added teacher evaluation has been extensively criticized and strongly defended, but less frequently examined from a dispassionate scientific perspective. Among the value-added movement’s most ...

With “value added” methods of measuring student-learning gains continuing to grow in popularity, policymakers and researchers met here last week to explore possible new ways of using the sometimes ...

Here's how value-added tax works, what it is and how you can get a VAT refund if you shop while traveling. Many, or all, of the products featured on this page are from our advertising partners who ...