value-added

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unknown title 2011

One possibility that's already being tried by a number of school systems, including the one in nearby Decatur, Ga.: so-called value-added tests, which gauge a student's progress over the course of a school year rather than merely determining whether the student is performing at grade level.

When Teachers Cheat—And Then Blame the Tests Kyle Wingfield 2011

And to do that, he is cleverly signing up so-called value-added resellers VARs.

Forbes.com: News Peter Cohan 2011

It also scrutinizes those tools themselves, concluding that they are valuable as a way to help teachers improve but only useful as evaluation tools when combined with measures of student learning known as value-added scores.

NYT > Home Page By MARY ANN GIORDANO 2012

The controversy centers largely on using a statistical tool called "value-added" to evaluate teachers.

chron.com Chronicle 2011

For example, in the aforementioned New York simulation, the teachers who would have been fired based on seniority (but were retained in the layoff based on value-added) were only about one-third as effective (relative to their fired colleagues) two years after the simulated layoff (though the difference was still significant).

Eliminating seniority-based layoffs: 4 things to consider Valerie Strauss 2011

In addition, the teachers laid off based on seniority have lower average value-added scores than those laid off based on those value-added scores as would inevitably be the case.

Eliminating seniority-based layoffs: 4 things to consider Valerie Strauss 2011

This suggests an obvious point, but always an important one: The idea of "quality-based" layoffs sounds great in an editorial, but, in practice, measuring "quality" is tenuous even when you predefine it e.g., in terms of value-added.

Eliminating seniority-based layoffs: 4 things to consider Valerie Strauss 2011

Even if we could terminate, say, 10-15 percent fewer teachers using value-added instead of seniority (as was the case in the Washington simulation), this doesn't save money per se (typically, you have to cut a certain amount), it only saves teachers.

Eliminating seniority-based layoffs: 4 things to consider Valerie Strauss 2011

Using test scores to judge teachers and principals has become the new currency in reform circles, with sadly misplaced faith in the badly named "value-added" models that experts say are not valid assessment tools.

Poll on NCLB: Americans want overhaul (but does Congress?) Valerie Strauss 2011