Includes updates and/or revisions. As value-added research designs gain in popularity and undergo increasing scrutiny, experts are beginning to wave cautionary flags about how best to make use of them ...

The concept sounds appealing: Measure the effectiveness of schools and teachers based on the amount of academic progress their students make from one year to the next. Often known as “value added” ...

In Houston, school district officials introduced a test score-based evaluation system to determine teacher bonuses, then — in the face of massive protests — jettisoned the formula after one year to ...

The purpose of the workshop was to scan the research on value-added methods to identify their strengths and limitations, which can inform policy makers’ decisions about whether and how to proceed with ...

How good is one teacher compared with another? A growing number of school districts have adopted a system called value-added modeling to answer that question, provoking battles from Washington to Los ...

EAST LANSING, Mich. -- The controversial new method of evaluating teachers and schools - called "value-added" - does not appear to affect property values, finds research by economists at Michigan ...