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 ...

I agree with Diane Ravitch’s view that value-added assessment should not be used the sole gauge of teachers’ effectiveness (“The Problems with Value-Added Assessment,” Bridging Differences blog, Oct.

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 ...